Not sure what that complaint is about. Of course it requires monitor side HW. It IS Monitor side HW technology.
It's essentially an update on ULMB 2 they released a couple of months ago, and was positively reviewed everywhere I looked. It's essentially among the best tuned backlight strobing systems on the market:
This guy is a pretty hardcore esports gamer and probably the target audience. He has all the the fastest clearest monitors and it was the best of the bunch:
AFAICT Pulsar is just expanding ULMB 2 to work on Variable refresh.