mckmas8808
Mckmaster uses MasterCard to buy Slave drives
That's worth noting. My son and I play Red Dead 2, each on his own PSN account. Trophy percentages will likely reflect both of us as distinct players.
I suspect this kind of thing wouldn't greatly inflate the numbers but it'd have some non-zero effect.
But it also doesn't count people that play games on their PS4s without a network connection, so there's some evening out here.