Answer: Humans are funny monkeys, and they are made out of MEAT.
How have so many been fooled into thinking and believing it’s acceptable for a child to make a vow to serve Jehovah till the day they die?
Jehovah´s Witnesses baptism has no meaning whatsoever, it´s like signing a contract with someone that lies about their identity.
How have they been fooled?
They believe whatever the GB says.
If they think at all about the examples of minimum age requirements you cited, they see it as coming from that evil world system out there.
Plus, they see Armageddon as so close that they want to make sure those children get in the organizational "ark of salvation" as soon as possible.I recently read an account in an older Watchtower of a JW who had her daughter handing out tracts at the door at age 2...