I am aware of those options. I avoid them for 2 reasons.
1) I'm hesitant to go to a service where I'm just leasing a game. Valve has proven to be a good steward (im aware of GOG being better in that you actually own the game). I've already bought $X000 of games on there over the years and my experience has always been good. I don't want to try another service where I have to rebuy games.
2) I live in NYC with a max 10ms ping to a server in a game. When I go to my parent's house, their network is stretched to the limit. The ping is much higher, the ISP provided bandwidth lower.
JFYI you can play all your steam games on GeForce Now at least.
Wow! Ok, I will check it out. I'm willing to pay a subscription if I have access to my library.