I hate all trade evolutions.
The mechanic encourages evil people to pretend to be your friends for months for the sole purpose of betraying you.
There needs to be a way to beat the game on one cartridge all by yourself, no trades, no Friend Safari, no online features whatsoever, no reliance on any other person.
Otherwise you might as well paint a bullseye on your back because you will be hurt.
inb4 edge, it really happened to me.