It’s not about the third party winning, they won’t. It’s about how no majority in the electoral college means that the decision is wrested from the people and throws open the door wide for political shenanigans that are far from democratic.
Think of it like something similar to the spoiler effect if that makes it clearer.
Don’t see how his use would violate that?
Think of it like a portable hotel room with no bathroom. You can travel wherever while outside the room and when it’s time to turn in you just use the room.
He’s also saying that he would not need to commute as in his home is close to work without having to worry about the high rent in the area where his work is.