It’s so common there’s even a term for it now, “enshittification”

To quote the article that describes it:

“Here is how platforms die: First, they are good to their users; then they abuse their users to make things better for their business customers; finally, they abuse those business customers to claw back all the value for themselves. Then, they die.”

Source: https://www.wired.com/story/tiktok-platforms-cory-doctorow/ The source is about TikTok but the author has gone on to describe how this applies to basically every modern tech company in various interviews.