The problem is that every time someone comes out and tries to make a Steam alternative, it's always a company that's slimier and more annoying than Valve: Microsoft, EA, Ubisoft, Epic, etc. You can't blame people for not wanting to jump on board with any of those bozos
The one exception is GOG, but their main selling point, being DRM-free, also means they'll forever be relegated to indie titles and select older games outside of CD Projekt Red's own productions