Distributor vacuum advance hitting intake.......

Exactly. It most certainly "does matter" or else the factory service manual would say it didn't. That's the whole purpose of this thread. The OP found out "it matters".
You can have the number one spark plug wire on any one of the eight spots as long as the rotor is facing it at number one top dead center.... Just because the factory has it aiming towards the number one doesn't mean a damn thing..