This guy seems like he is toggling, he has average games in the heli, then has 1 or 2 monster games then back to average games.
https://bf4db.com/player/183069834
http://bf4cheatreport.com/?pid=183069834&uid=&cnt=200&startdate=202012030341
https://battlelog.battlefield.com/bf4/battlereport/show/1/1334058625903334400/183069834/ video below (not mine) but from this round.
https://youtu.be/sKx87hyWzQA