After the fog of war clears and the argument for argument sake takes a back seat to reality ahd physical fact it still comes down to a question asked to each fighter.

To Alvarez: Would you like a crack at the best fighter in the world and the biggest payday you will ever have by dropping down to welter?

Answer: No.

To Mayweather: Would you like to fight the 154 champion who will most likely be a light heavyweight the night of the fight in a division you would have no interest in staying in?

Answer: Huuuuuuuuh?

Questioner: Right then, thanks for the time.

The end.