7 Entertainment (Fast2Play, Kinguin, G2Play, others) discovered reselling bundle keys

This is bad, and they are really bad people (¬¬), but, i go to sell my copy of a game to gamestop or others shops, and get paid for a game that i dont own (this is fine for most of the people who said that this kind of transaction is bad), i dont see this indies complain about to sell 1k of bundles to one person, they get paid, and if people want to sell a unused code of a game (who give you a full game, with multiplayer if got it, and not like the second hand game on the stores), what is the problem? a little hypocrite for most of the people here, and also this page is breaking the ToS, and Tremorgames too, because they dont sell (Kinguin dont sell, people sell inside kinguin, algo G2Play and Fast2Play are reseller of Kinguin, with their own webpage) but they win money with this (advertising) so, for some peope is correct, for others no.
I dont see nothing wrong on this, if they give you a valid code, and they paid for it, for me its ok, since there is second hand games on blockbusters shops and nobody seems to care (GAME and Gamestop won more money from second hand games that original games). As i said, the developer get paid, and if they sell 1k bundles to one person, they dont complain, what do you think they will do with 1k bundles? also, will they sell that amount of games in the same period of time at the full price? i dont think so, and for those people who lose the bundle (there are a lot of people who dont know bundles or they dont care), they can get the game on this resellers at a good price, and i will do the same if i find a really cheap game. They dont lose a shit, because its only a code, there is not logistic or other cost who make them lose money, they maybe dont win more money, but im sure they dont lose either, if that was a box game, i have to said that they will, but that is not the case.

Sorry about my english skills, i hope you understand what i mean to say here.