The fights are riotous slapstick set  In the art museum finale, Chan fends off hordes of assassins while catching giant, priceless Ming vases as they tumble from their pedestals.
Chan has to balance fighting assassins with protecting vases.
Even if he is sorting the addresses by hand, he has the option of doing the work in a completely different way Also, if the same mailing list is used more than once, or is used again with slight modification, he can sort once and do many mailings.