Why does basically everyone have the same skill rating?

"Mixelplux;c-2321316" wrote:
Not about being in Kyber 1. It's that ppl at around 7.6m GP have same rating as 10m + accounts. 0 differentiation. Now obviously one can assume they did this to appease whales so they don't instantly have to fight equal opponents and instead get some tim where they can get some wins. Who knows though.. still **** though for everyone else.

This. I've noticed that myself after looking at guildies, arena shard mates, friends. 7.6M seems to be the treshold. Everything above 7.6M has the same rating, probably for the reasons you mentioned.