When you root / snare a ranged user they can attack you back via weapons, nukes, pets, perks, but when you do the same to melee they have no way of attacking you. Thier weapons don't have 40m range, nor do thier perks. They don't have nukes, nor pets that can reach you either. So as long as you keep refreshing your roots / snares they are basically a free kill for you, or any other ranged users that happen to be there.
Ah, yea, that seems pretty fair to me
The "ridiculous" part is that it has gone on for so long without any changes. And to add insult to injury, people even defend this kind of gameplay where you can lock a person down indefinately to one spot and beat on them until they are dead, all the while posing no threat to the person doing the roots/snares.
No one is asking for CC to be removed from pvp. CC is a very powerful tool vs. melee, to ranged users, not so much as they can still pose a threat to you. But to keep someone locked down who can't even attack back isn't right, fair, nor fun.