LTE, if it existed, would cease after maybe 180 degrees of yaw and the T/R is out of the problem area. That news chopper had the low RPM warning on for AGES, spinning for ages, so I am wondering what the heck she was doing (apart from breathing heavily) - it wasn't anything useful.
The R44 video didn't really show anything except a high power setting resulting in RPM decay.
And yes, the grip on the collective should be the little and third fingers around the collective shaft and the thumb, forefinger and middle finger operating/monitoring the throttle.