Boats with red or green carpet.
Boats with tackle constantly strung all ove the boat.
Boats with heavy water line on them, especially white hulled boats.
People who don't use rubber or rubber coated nets.
Motorguide TMs, button is on the wrong side.
People with 3-10k worth of electronics and have no clue how to use them.
Co-Anglers who show up with 13 combos and a tackle bag the size of luggage.