Devil's advocate -- what exactly is the attack vector here, even for TLDs that share names with executable file extensions? .com already exists, the biggest on

Devil's advocate -- what exactly is the attack vector here, even for TLDs that share names with executable file extensions? .com already exists, the biggest one of them all, and that doesn't seem to cause problems? https://en.wikipedia.org/wiki/COM_file https://en.wikipedia.org/wiki/COM_file