Because he's just poly, he was made and imagined that way and he says it clearly, not mono.
The compromise wouldn't be bad, but Larian doesn't have to do anything anymore.
He shouldn't be like the others, Larian could have made him like that, but they wanted to make him a minority who doesn't want to have a connection.
EdaLee is right, his purpose was to represent this minority, Larian was clear from the start, the majority is different.