They should invest in a mechanism to allow you to train the heuristics in advance. If the heuristic knows that location A is a location you normally login from and location B is not but you could tell it in advance "I'm going to travel to location B on date X for duration Y" it would have the extra necessary information to know that this activity is normal and not suspicious.

It's unlikely to change because it costs them less to automate (even if it's far from perfect) and manually deal with errors that happen to people with enough reach to cause bad PR than to have staff.

But YouTube has absolutely no incentive to do that.

It has been clear for a long time that big tech companies do not care about customer support. It's something that just cannot be done without having personnel propositional to your userbase.

Why? They’re a completely entrenched monopoly whom the government lets pretend to be some kind of intelligence agency.