All great points and very common cases, yet services that force 2FA seem completely oblivious to this or just don't care about responsible users. In instances w

All great points and very common cases, yet services that force 2FA seem completely oblivious to this or just don't care about responsible users. In instances where it must be a phone number it is obviously for data mining. It is a lazy way to cater to the lowest common denominator of users who will eventually fall for a phishing scam or install some keylogger and have their password end up in a dump.