Hi there,
due to limited space I couldn't fit the entire reason in. The taunt's hitbox is small, it takes quite a while before it activates and has a verbal cue (a noise made by the Pyro) which could alert the players. It's highly unlikely that you can get multiple targets using the tauntkill.
GrampaSwood (talk) 10:13, 4 September 2020 (UTC)