If an opponent defaults simply because they have to play black, that's pathetic.
And worse, they don't have to lose points for it.
If a player aborts too often, as a percentage of recently completed games, them they're placed into a pool of players that also don't and then all games that start as rated will be rated regardless.
Also, it doesn't help them not play black avs the pairing algorithm gives the player most due black will get that color.
If an opponent defaults simply because they have to play black, that's pathetic.
And worse, they don't have to lose points for it.