Windows because it will cost Framework or whoever it is a lot to do it Valve style - coming out with your own distro, support it and yeah the proton issue. If it will run only Linux games, that market will be minuscule.

We have that capability but dont really have the time or need for it. having said that, it only takes one rouge employee to mess it up for everyone else.

If it was something as critical as that, if it was me, I’ll pay for roaming and use my phone like regular. I don’t know how easy it is for you but I’m from the US and the cost is a no brainer.