Change Ranking tiers

Can the tier ranking be strictly off personal stats. I can go 24 and 6 but just because my Team was trash and each player goes like 6/18 my tier percentage has to plummet? Not fair at all in my opinion. And also if someone’s ping is over 200 they should not be able to participate in matchmaking, I have literally met people who use VPN’s in order to make themselves lag so they can “troll” or get kills easier. That’s sad and it’s annoying.