Except that many Android phones also don’t have replaceable batteries anymore.

No worries, and glad you learnt something!

I don’t know whether this is a joke or not (Poe’s law and all), so I will assume this is a genuine question:

Because they were about to say Czechoslovakia, I’d assume. The country that hasn’t existed anymore for a long time.

edit: grammar fix

Because Joule is the SI unit of energy, meanwhile the Watt is the SI unit of power, equivalent to one Joule per second.

“Converting” joules to watts would be like converting m/s to US dollars.

Glad I can count my own country, Lithuania, among the enlightened.

EDIT: Source of the picture: https://en.m.wikipedia.org/wiki/File:Date_format_by_country_NEW.svg