Actually, the uproar about UBB specifically is that Bell is allowed to enforce it's own retail UBB on companies who use their last mile lines to user homes. Ak

Actually, the uproar about UBB specifically is that Bell is allowed to enforce it's own retail UBB on companies who use their last mile lines to user homes. Aka, it forces competitors to charge the same prices as bell does. That's why it's anti competitive.