I'm not American mate.
Don't be so presumptuous, it's arrogant.
And you are cherry-picking stats by stating only sales on Steam. Steam is not the only digital delivery platform on PC. There are many.
From 2014 worldwide:
https://www.kitguru.net/gaming/matthew-wilson/92-percent-of-...
92% of game sales worldwide were digital.
From 2019 in the UK:
https://www.eurogamer.net/articles/2019-01-03-uk-video-game-...
80% digital sales for games in the UK alone.
And it's not just the UK and US.
https://business.financialpost.com/technology/gaming/digital...
The number of physical sales is declining everywhere, some quicker than others.