There's the classic: face an opponent in a ranked match in an online game, find the opponent's voice chat account through some search, get the opponent's IP, DD

There's the classic: face an opponent in a ranked match in an online game, find the opponent's voice chat account through some search, get the opponent's IP, DDoS the opponent offline using a booter service, win the match. Or the other classic: DDoS the Twitch streamer. My family's home internet was DDoSed offline for a short bit by someone using a Skype resolver and (I assume) a booter service trying to extort a Roblox item from me.