Streaming RTS games is virtually indistinguishable from playing locally, except for lack of fan noise and constant need of needing to patch. There are tons of games that stream well, just not twitchy games.
Agree completely that streaming single-player games is not an issue. The issue is that many of the most popular games in the world are FPS or real time twitchy games where latency is a huge issue. The #1 and #2 games in the world by peak player times are PubG and Crossfire. League of Legends, Fortnite, Rocket League, Overwatch, are all hugely popular games with hundreds of millions if not billions of players. There may be a niche for streaming games to those who enjoy single-player games, but that wasn't what Stadia was trying to be. They were trying to become the goto gaming platform for all games. Unless and until they figure out some sort of FTL communication, that is never going to be feasible as a universal platform.
It was a shitty platform to develop for, end of story. I’m the games industry, there are 100 more failures that look like that.
Specifically Vulkan is bad, and Linux is worse.
The solution is obvious and done by the extant and thriving streaming services.