Yea, this is somewhat a rant, as well as a suggestion.

Rant:
How the hell can you ping in a duel, and it'll count as a lose, yet you ping in a clan war, and it's like nothing happened?

I mean, come on. People doing clan wars can easily ping themselves to save themselves from a lose, or just quit the game.... You cannot show proof that they actually pinged on purpose....
So, here's the suggestion:

Count a ping/no response/quit game as a lose for clan wars.

Yea, let's do that, and let's also do that for every single tourney and event that is ever going to be made. Sounds neat.

mate if anyones pinging just call the cops and get a drug raid on their house.

sometimes people ping and it isn't their fault, it goes towards their elo and it already is a technical loss. If youre dueling items then you'll have to sort that out between yourselves, the developers aren't here to fix every tiny little problem you have

I hope this is sarcasm.