this is reportable, red answer pls

Scenario: player X's ability to play the game sudden falls off a cliff in the middle of a game, proceeds to refuse to communicate, refuse to listen to his/her teammate when they type out what they need him/her to do. blatant disregard for pings and chat. never spoke nor did he/she intentionally feed, but just completely shut off their brain and refused to communicate and actively interact with the team and the enemy. is this bannable?