Pretty much this. Add to that the fact he has grown up with Some level of affinity for the club, that our dominant years came when he was a kid loving football, and that his dad still seems to have a friendly relationship and connection, it does start to feel like the stars are somewhat aligned.
Obviously, plenty still to overcome, agent and dortmund demands, interest from madrid or other clubs who are a draw as well, etc.
Bur on balance, it does feel that the bulk of it really is in our favour. Even to cautious old me.