And you're not lagging; in fact, most players aren't, and you especially are seeing everything and playing in real time. But this person across the way shouts "fix your ping!" and you're wondering what they're talking about because neither you, nor anyone you can see, is lagging, not even lag switching. Yet because they're lagging, they look at who is farthest distance from them personally aka who has the red bar on their end (spoiler: bar levels are different for everyone) and blame that person for lagging them, even though the person they're blaming isn't lagging at all.
Sometimes I've had this thrown at me, sometimes it's been thrown at some other person. Oftentimes when someone is accused that's not me, I can see that the accused isn't lagging at all, nor the accuser, and I'm wondering what in the world is going on because literally no one ever lags when I play, just from what I can see.
Here's a pro tip: If someone is telling you that they can't see anyone lagging, but you yourself are lagging, then the lag is purely on your end, and isn't even affecting other players. From my experience in the game, the notion that if one person's lagging, then that's making others lag, is never actually the case.
Please stop blaming other people for your lag and actually look at your own connection. Chat shouldn't be for false lag accusations; it should be for cheering on your team and being a good sport by GGing your opponents. So let's make chat much friendlier!