Yeah, it's not snitching when you didn't even realize you done anything wrong! Trying to be helpful so you don't f up and lose a game!
If you done this during the final turn, it would be blitzeds win by the rules!
Plus, as explained on Discord, it's blitzed man! He's a living legend and deserves our respect!
That's why I suggested void, not because of a rule break because technically speaking you only did it once! So it's still legal! As in, you need to cow 3 times for a loss, or cow on winning turn.
However! Because neither of you knew, and you're both pretty much legends and good guys, I feel like the decent thing to do would be play again or at least from that point of the game!
Edit:
Also, regarding the rule, I agree it's a stupid rule for guys like us...
The obvious reason why it exists is because 80% of players literally cannot handle 5s nades without sitting, and I'm not even talking about noobs!