Why do certain websites (including Similar Worlds) falsely accuse different people of being the same person when I know they are not?

Logical answers only, please. Note that "Using the same IP" is not a logical answer because I am the manager of an Internet café and lots of people use my premises to access various sites. I don't see why the site admin can't accept that. So remember, just because you've detected a certain computer being used, you have no way of seeing who is using it, so please stop these accusations.

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PoohSmasher

Another source of IP's are VPN's, you pick a city and get an IP from that area. You may get the same IP as someone else, and not even someone from that same city.

Bewilderbeeste · 70-79, M

@PoohSmasher Yes, but why does that make them the same person in the eyes of the site admin even when it's blatantly obvious they are different people?