Because not everyone wants to solely play vanilla style games for ranked. I think that's what Ekko's point was. Or at least what he was trying to get at with the whole "select few" games being ranked being potentially RM style set ups.
This is literally what ekko wrote:
we can get players from offsite to eventually stick around here which would mean there will be roughly about same number of people with ws style vs other style mindsets. my preposition is allowing them to run ranked games so long as its approved by a host from their community if required. then the game itself will mostly be filled by players from that community but im okay with that
Which translates as ‘I can’t play ranked bullshit atm so let’s change the rules so I can’