That’s why the non-parentheses number is zero for all seeded torrents. In parentheses number is “hey I’m here”. Out of parentheses number is “hey I’m here. Let me in.”
For actively downloading torrents they’re an indication of connection health. If there’s 150 announced seeders but you only open a connection to one or two of them, you might have a network problem.
Coming soon: 5000 spam copes of the same relabelled, stolen mods by every single scammer in existence