I switched because my workplace has licenses for VSPro, and IT doesn't want us grabbing our own stuff off the internet.
What a disappointment! it's worse, and harder to use in almost every way. For the record I'm coding in Python and just need git integration and a debugger.
It's such a step back in design language and usability. Love to ignore free software in favor of its expensive "professional" counterpart 
Don't forget having every single major release for the last decade installed because your oldest code bases will only run in VS2015 or whatever.