Just putting their own games on the platform would be money down the drain
If they heavily rely on some frameworks very much tied to x86 Windows that required massive efforts to port, sure, but usually they don’t for the simple fact that video game consoles and smartphones exist. Microsoft very much supports gaming on ARM platforms, most notably Nintendo Switch. There is no reason why Doom I+II isn’t officially available for Windows ARM.
If they heavily rely on some frameworks very much tied to x86 Windows that required massive efforts to port, sure, but usually they don’t for the simple fact that video game consoles and smartphones exist. Microsoft very much supports gaming on ARM platforms, most notably Nintendo Switch. There is no reason why Doom I+II isn’t officially available for Windows ARM.