I guess that depends on your definition, but really I’d lump it into handheld computer, I’ve owned several, such as the GPD Win series
You can install desktop Linux software on it with no need to perform any types of “jailbreak” so while steam os is a proprietary skin for Linux, its not really locked down the way traditional brick consoles are.
Console doesn’t have a hard definition, so anyone could come through and make a case for why it is.
Edit: you can see the people replying after me all have different definitions and standards for the word, it’s arbitrary really
Xbox: you have to pay to even be able to play online at all, even if the third party servers are paid for and operated by other means. Third party games still require you to pay xbox. They (third party) own the servers and pay for the servers. Even free games require you to pay Xbox.
PC: you can play games online without paying your OS provider.
I remember getting a PS3 just to avoid this back then (lemmy.zip)