a way to stop smurfing for good

my proposition is for riot to rank lock peoples ip addresses, meaning if they are ranked on one account and they create a new one they will be put into the same skill matches with players similar to their rank. it honestly could work, just think about it. if someone is, lets say diamond on their main account and then they create a new one, the ip address system would put them in matches with players near that rank. just think if they can indefinitely ban someone through there ip, then they can indefinitely ''rank lock'' someone through ip. I don't know guys its just a suggestion. smurfs in the comments will say it wont work
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