

100% of the gamers still interested in physical media could stop buying and it still wouldn’t make a dent. It’s just not a large part of the market anymore.
And even if it was, we’re long past the point of voting with your wallet anymore in this age of tech oligopolies. You’re going to have to get politically active if you want this. Plenty of allies to be found in cultural preservation efforts across many different media!

The end-users aren’t who the big names in the industry are responsive to anymore. It’s the shareholders. Alanah Pearce has been banging this drum for a while now; I recommend following her content for more on the topic.
Besides, I didn’t say there’s nothing we can do. I mentioned exactly what you can do. Get politically active. Connect with others working on media preservation. Help with data collection and research to inform good public policy. Advocate and spread the word. Vote for candidates that pledge regulation and anti-trust action. Back the development of new candidates that will if none exist in your districts.