The only people that are going to stop this behavior are going to be Valve. They need to get on the stopkillinggames.com bandwagon because they are affected the most.
All these constant demands for refunds because a developer violates the terms of agreement by adding DRM or additional online service requirements months after the initial release that makes your product now unplayable is more than a trend. It’s the future of the steamdeck if Valve doesn’t do something about it.