There's one where I think it could have made sense, the xbox. They're apparently confident enough about security on those systems as a large part of the point is that they act as locked down game players (related to AMD's work on securing servers IIRC), so adding a locked down 'desktop mode' would seem viable. They'd need to be certain it doesn't enable any new jailbreaks so either mode isn't more useful than they intend, if they wanted people to buy/subscribe to office direct from the store they don't want libreoffice working.

During covid and the supply/demand mismatch as everyone rushed to WFH I was wondering if they could repurpose the cheap S xboxes as cheap desktops. Essentially a reversal of the original 'xbox as a trojan horse' idea, instead of using consoles to get windows in the living room, it's to get windows in the home office.