Yeah, well, I've had better luck with Heroic than Steam proper
I don't believe you.
it boils down to my GoG library being safely backed up in storage media and preserved safely
You can do the same with DRM-free Steam games. If you don't understand that, I can't help you but you're wrong.
Sure, I'm just saying Epic is not any better than Valve in that regard. They're just in a different position. It wouldn't make financial sense for Steam to do something like that.