Part of what causes wrestle hugging is that fighters have been better at submission defense. They are more aware of the danger of that
And the danger of giving up mount
So when they are taken down they are more cautious about how they try to get up etc
but then that causes the the grappling dominance to drag on
the fighter being grappled (in this case DDP) are often basically turtling. Tugging their chin
keeping their limbs tight if they can. not turning in a position that will give their neck up etc
then morons blame the grappler instead of the guy turtling
So DDP was laying there and got punched 500 times instead to not get subbed