I my original post I said I didn't think it was a text book hip drop.

The RFL will want to be seen as consistent, if you leave your feet in the tackle and apply your full weight to a player in a way that could be deemed reckless and they get injured, you're going to get pinged for it.
The mitigation in Nsemba case is that be doesn't land on the lads legs so it's not a "hip drop".

Haha...Brian Nazareth! If brains were dynamite... Apparently Nsemba's tackle was the very definition of a hip drop despite him going down front first. He must have hips in his face

It wasn't Big Brian actually, it was somebody else, whose username escapes me. Brian couldn't describe a tackle because he wouldn't get past the way in which he uses many expletives alongside the word 'Pie'.

Happy he's in the clear, think he's been quite lucky, him not landing on the attackers legs has probably saved him.
Hope the coaching staff have a little word with him to work at staying on his feet and getting closer in the tackle, I think they might have had a similar chat to KPP middle of last year, he was very grabby in tackles early on.

Is he the same grown man (under a different username) who couldn't bring himself to type out "Wigan" and settled for "Wi*an" instead?