The cited article also says, "A jump in business cases doesn’t necessarily mean the economy is in trouble, said bankruptcy lawyer Derek Abbott, with Morris, Nichols, Arsht & Tunnell. Abbott has seen a jump in restructuring work in recent months even though the United States managed to dodge predictions it would fall into recession as the Federal Reserve hiked interest rates. “We have such a broad and diverse economy that even when there is good stuff happening overall, there is a portion of the business sector that is still struggling,” he said."
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The cited article doesn't give a list of companies, so I will guess at some of them from recent financial news stories. Several years ago, one company, JoAnn, "opposed President Trump's tariffs citing American manufacturers not being able to meet Jo-Ann's quality or volume needs." Family Dollar was acquired by Dollar Tree in 2015. As happens with many M&As, the hoped for advantages were not realized.  
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WeWork was mismanaged for many years and its CEO was forced to resign pre-IPO (with a $1.7B buyout and $46M per year continuing consulting contract) for misleading investors (self-dealing Trump-like real estate transactions, etc.). WeWork was already failing in 2019 (Trump). "In 2019, the initial public offering (IPO) of its then-parent company, The We Company, failed. The Wall Street Journal noted that, on the release of its public prospectus in August 2019, the company was "besieged with criticism over its governance, business model, and ability to turn a profit"." and that IPO failed. "[In April 2023], the company was valued at $360.9 million, down from its $47 billion valuation in 2019."
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Also, there have been changes in bankruptcy laws in the past several years, some of which make it easier to file for Chapter 11 than it used to be. In 2020 (under Trump), "The enactment of the SBRA in 2020 created a subchapter V, within chapter 11, which offers a ***more cost effective and streamlined option*** than traditional chapter 11." HOW MANY OF THE RECENT BANKRUPTCIES WERE FACILITATED BY THE "easier" LAWS?  
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(I will argue that making bankruptcy easier encourages mismanagement, facilitates management's self-enrichment by depleting the value of the company, etc..)  
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Mind you, Trump's solution to the US National Debt, revealed during the 2016 campaign, was to declare a form of bankruptcy and to force holders of US debt to accept cents on the dollar. "I am the King of Debt!" (See MANY articles, e.g., ...)
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http://www.puertoricoreport.com/trump-im-king-debt/
Trump: “I’m the King of Debt”  
(Dateline: May 2016)
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" ... “I am the king of debt. I love debt,” Trump said in an interview with Wolf Blitzer. ...
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"Trump was talking about strategically borrowing money ***without any intention of paying it back fully***, using bankruptcy to force creditors to accept discounted payments on debt, and “using the laws” in unspecified ways to reduce debt without paying it. ... [a plan put into practice on Trump Shuttle ($100M "settlement"), Trump Plaza, Trump Casinos (hundreds of $millions of "settlements"), Trump Tower Chicago ($287M "settlement"), etc.]
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"“Many of the top people, people in my category,” he said, “use the laws. I know more about debt than practically anybody. I love debt. I also love reducing debt. And I know how to do it better than anybody.  ...
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"Trump responded, “As a very successful person, I would buy companies, throw them into a chapter, bankrupt it, negotiate. I would do great deals.” ...
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"“Do you believe that we, in terms of the United States, need to pay a hundred cents on the dollar, or do you think that there’s actually ways that we can renegotiate that debt?” CNBC’s Andrew Ross Sorkin asked. “Yeah, I think — look, I have borrowed, knowing that you can pay back with discounts. And I have done very well,” Trump said. “The comments were striking,” the Wonkblog wrote, “because, historically, U.S. government debt has been treated as sacrosanct, the safest investment in the world, and a pillar of global financial stability.” ...