Cloud computing can be replaced (albeit it’s a hard process, sorta like detox). Good luck starting an independent ICANN and DNS zones.

No, you can leave via Egypt or Jordan.

Some TVs will sneakily connect to open APs to try and phone home. It is nasty but it does happen. You can only be worry free if you yank out the radio module. Some TVs make it easier than others (My LG TV made it as easy as opening the back of the TV and disconnecting, YMMV)