

Fortunately Valve publishes monthly hardware statistics so we can back claims with statistics. Linux comprises 2.89% of their surveyed share. Of that 28.31% are using Steam OS. Using the wayback machine we can check the statistics from last year. Checking the July 2024 results using the Wayback Machine shows Linux at 2.08% with Steam OS comprising 40.97% of that.
From that we can see that Linux is growing, while Steam OS is becoming less of a contributing factor to the Linux share.

It’s already illegal in Canada, you can report them to the Competition Bureau. I don’t think its very well enforced though.
https://competition-bureau.canada.ca/en/deceptive-marketing-practices/types-deceptive-marketing-practices/ordinary-selling-price