As a boater and occasional tournament fisher, this is what gets under my skin the most.
1. non-boater brings more than 5-6 rods, especially when some of them have broken guides or are underlined so they gripe about not being able to cast. These junk rods don't need to be in the boat.
2. They bring this huge suitcase thing they call a tackle box. Looks like they are going on a 3 week vacation w/out any way to do laundry.
3. They don't offer to pay for gas and then they leave without helping to clean the boat. At least their own trash for crying out loud.
4. Now this one burns my backside more than anything else. I ALWAYS position the boat as best as I can to benefit both anglers, regardless if it's a team tourny or individual tourny. I never intentionally stick the guy in the back of the boat out into the middle of the lake at a disadvantage. So DO NOT creep up to the front of the boat and stand next to me breathing down my neck while I'm trying to fish. Even though I have room, chances are I might not know you that well and don't need my rods stepped on by someone being inconsiderate. Plus I like to move around and don't want to have to say "excuse me, get the *&*& out of my way.