Selling boosts in DungeonFinder

Hey, i wanted to do raid with pug but guess what i literally cant find any group cuz everyone is selling boosts in dungeon/raid finder. It is annoying and i dont know, why Blizzard just let this happening. What do you think about this… ?Am i the only one?

Here is GIF from Gyazo with problem.
https:// gyazo. com/7f1912938ef298d8ec1c3179cb7670aa