I'd argue that even to the ordinary Joe it should be quite logical that disclosing something publicly before the company has had a chance to fix it means that n

I'd argue that even to the ordinary Joe it should be quite logical that disclosing something publicly before the company has had a chance to fix it means that nefarious people could learn about the exploit and use it against victims. It's the same logical line of thought that leads people into turning wallets into the lost and found (or an authority) instead of just pointing at it on the ground shouting "hey look, a wallet!" then walking away.