Funny how that happens in some weigh ins too they just dont fight like they normally do for some reason ; even some boxers put their face down low and swing over hand bombs like a maniac or try and lean back to protect their face and land long shots without too much commitment.

I dont think Wing Chun is much chop on the ground to be honest.
It may be changing towards it, I doubt it in any serious way though.

I used to train with special operations group men who were only traiined in wing Chun and they used to go take stuff off the Hells Angles and every other bike gang around here once a year, so i would'nt place them as only having pitter patter shots. But hey, different mentality all the way than the other wc practitioners at that time without a doubt.