I think it’s grossly undersold personally. What valve has managed is getting the single target platform open source could never agree on.
It’s a small miracle, and it bleeds over into stuff like device driver support in a way I don’t think most people who didn’t deal with Linux in the 2.x era immediately appreciate.
If Linux on the desktop has a surge, they did a lot of the legwork.
For the most part what kind of company you are is what kind of product you’re selling or making money off of.
So you could contend that Tesla is a battery company or a car company feasibly. Nobody ahead of the AI bubble would have mentioned Tesla and artificial intelligence in the same category.
Besides, if it’s what he makes money selling Tesla is a tax credit company.