You can't buy the best gear. Crafted gear has never been top tier in Wildstar, hell it's weaker than dungeon purples in that game.
Raid gear has and always will be better than any BoE in Wildstar and with that your argument is invalid.
WoW is the same way, all the money in the world won't give you loot from Mythic raids.
As for "getting better" at the game, there is different skill levels for such an argument. Wildstar has 2 different raids, both leagues apart from each other in difficulty. First raid is easy, second raid makes people quit raiding because they can't pass for the first few bosses. And to even do the 2nd raid you need to clear the first raid first.
Again, argument invalid.