You do not need to play the game for a living to be able to clear content. Just find a build and get the meta weapons. After that you're set.

No, inverse to your inverse. Content creators are unhealthy to the game as any other kind of person who makes a living on services like this. Be it lore channels, as well as PvP and PvE channels. Hell even the people who charge for a carry and those that pay for it.