I always find it funny when people do that with Windows, Mac, and Linux. It completely misses the fact that Linux can be all of these things.
OS for kids: https://www.sugarlabs.org/
Just works: https://www.linuxmint.com/
Fuck around and find out: https://www.linuxfromscratch.org/
Also, all three pictured devices are probably running Linux… Or at least could.
windows CE is truly the stuff of nightmares
…but if you mix it with ME and NT you have a solid OS.