Killing hard bosses isn't hard or doesn't take skill yo, LFR Legendary is no different from old legendaries
But you can't compare that to LFR where it is balanced around anyone and everyone regardless of skill being able to clear it. You can't compare bosses that took skill and time and dedication to defeat with LFR. Those old legendaries required difficult boss guilds that yes were just everyday for high end guilds, but that is the point.
Legendaries really should be for high end guilds, they are legendary and when you say "everyone gets legendaries" it completely takes away the point. It's like saying to every person receiving government welfare money that they can have a fucking Ferrari.