If you win a round and still have knives leftover while defusing, if time allows it, use all your knives then defuse. If you don't, you wont get the extra ult point. A little trick but its effective in getting your ult quickly.

https://imgur.com/a/tlNVgxC Is it like a bot or something? They picked sage and seem to do everything that the message said. They never responded to anything said in chat.