Since Adobe products aren't strictly necessary for any of my work, that's the primary reason I use alternatives now: the junk all over the system, the constant calls home for updates, and the hidden little launchers.
Same here, I steer clear of Adobe where I can. I have licenses for Pixelmator, Affinty Photo, Sketch, and Affinity Designer. Between the four my needs are always met and their combined cost is both static and lower than what a CC subscription would mount up to.
What alternatives do you use for Premiere and After Effects?
Maybe have a look at Davinci Resolve.
Apple Final Cut and Motion
This might be peripheral, but I use ScreenFlow not only for screen casting, but also surprisingly robust video editing (from blank canvas).
Are you a fan of the Affinity products?
Huge fan! Earlier versions of Designer were buggy, but it's improving. It's still not great at .ai imports though.