why don't you update your ads/photos very often...some of you have been using the same pics for years

They don't have the NEED to post new pictures.
Many of the ladies not updating their sites are well established, well reviewed and with a big number of regular clients.
Once a lady achieves this kind of level, she don't need to compete for business.
I am one of these ladies. I am well know, well reviewed and I make a point to look the SAME as my website pictures. Guys are not surprised when they see me.
I have plenty of great loyal clients I see over and over. I can skip posting new pictures or even ads.
Most guys hanging on regional boards all day long will not be the ones booking with me anyway, so I rarely post on public boards.
Each lady has a personal motive for not doing this or that, so guys should respect the way she conducts her business. She is NOT obligated to do the way YOU want her to.
If you are doing your window shopping (not buying, just looking) you have the choice to move on if the 'merchandise' is not what you want, right?
So, just move on and look for someone else! Pretty simple

you sound very angry

resemble the pics?

Trust me, if the business model used by a lady is not profitable, she will look for ways to improve it.
She will spend thousands of dollars with photographers and web designers to sell herself and make money.
Some ladies have the need to do that all the time because they don't make an effort to get repeated business, their clients are most one time deal. They need to keep their site fresh, to attract new clients, right?
The ladies who cultivated their clients, turning them into loyal regulars have no need to spend so much money promoting themselves.
There is no need to post new pictures all the time, they are not interested in getting new inquiries. They are happy with the way they are running their business.
My post was not done under an angry tone. Because I work when I want, I see who I want to see and I am low volume, I am a very happy hooker (read the book?)
Like I said, each lady knows what is best for her business, we don't need guys to tell us what we need to do.
If a guy is not happy with a lady site, thinks 'oh old pictures!', hey, just keep looking and let the lady do her way.
Is just that simple.

Like I said, I cater mostly to longtime regulars, so no one ever walk out on me. They know how I look like, they saw me many times before, I am not deceiving anyone.
The question OP posted was WHY the ladies use the same pictures "for years". I posted my answer.
If a guy clicks on the same site 'for years' and he sees the same pictures, he has the choice to book the lady in question or just skip it.
I answered the question the OP posted. Some ladies don't have the need to post new pictures.
You are talking about bait & switch - is not what the same subject of this discussion.

Thank you for being the ADULT in the room - you are entirely correct.

I meant thank you undercover provider - excellent viewpoint!

Of 1 shoot per year but would like to do 2. They get real pricey. I also try to get decent amature pics in between to post on the boards to keep things spicy

I totally agree I take new pics at least 4xs a year They are fun and it keeps everything smokin hott!!

That isn't a bitchy response at all.  It is matter of fact, and to the point.

Just had my done last week

I think 2 - 3 times a year is good.