Another user posted a video on different thread: Hard time flying the new helicopters - #15 by NEVZEY9998
That is definitely not how a heli should behave when using just collective for takeoff. I luckily get the proper behavior (with some pedal input to stop yaw drift): accelerating positional drift to one direction with minor roll to one side, but without roll oscillation.
Correct behavior video from another user: Hard time flying the new helicopters - #36 by Jigsaw407