Yes, but they are not gaming devices. They are meant to efficiently compute things. When used for that purpose they use little energy compared to other devices doing the same thing.

You are not supposed to have relation between the words. This password is vulnerable to a dictionary attack. If you are not a high value target you should still be OK.

Itt: Use Linux Spam. This is not feasible for most users. Not all applicatopns are posted to Linux and some explicitly do not work. In particular for people that play games socially this just does not work. That being said they are unaffected by this change.