Dunno if you know where the meme came from, but: https://en.m.wikipedia.org/wiki/Triple_parentheses

ohno I didn't know I swear. I just picked this up from somewhere

Did you read the article?

Many of the commenters appear not to have, which is disappointing. I thought the article did a nice job of explaining what they are, and why they're no longer relevant.

I actually got around to reading it now, I shouldn't have commented earlier

~~Suppose law enforcement reports a user to build a case against them, then the user's message could be subpoenaed right?~~

~~Even worse, 3 letter agencies~~

Forget I said anything

No. If Alice reports Bob, the report only includes the most recent messages from Bob to Alice as forwarded from Alice's local copy of their chat. No other messages are made available to WhatsApp. None of Bob's other messages to other people are included, nor could they be since Alice wouldn't have them. In your scenario, if Alice was law enforcement or cooperating with law enforcement, her reporting Bob and then them subpoenaing WhatsApp would only grant them circuitous access to messages from Bob they already had on Alice's device.

ah, i'm stupid

Yes. Same as any organisation who is sent a copy of the screenshots by the user.

oof i'm stupid