I appreciate people yelling at me even if I already know you are there. whats wrong with that?

Absolutely nothing... BUT... they could be deaf mutes and you are still completely responsible ... Frequently.... By the time you do hear them screaming leeward... it's probably too late ... tis why the hails are out of the rules.

BTW, what is with the statement regarding "slow down and pick your way through the fleet?"

Oh... you COULD choose to fall off (slow down while you are on port..) and take some transoms (pick your way through the fleet of port tackers