I feel the same way. I stopped using Twitter after that betrayal and never bothered to come back to it. Don't know if it made the difference to hurting their business, but I feel they missed out on something big by losing developer mindshare.
https://blog.twitter.com/2012/changes-coming-in-version-11-o...
To add a bit more to the context to the parent, all these third party clients made it possible for people to use Twitter how they wanted to, to tailor it to them. Twitter decided they wanted you to use it in their way.
It was a big shift in the culture of twitter. It's hard to quantify as everyone has their own perspective on it.