If you haven't seen those Ip Man movies, watch it for excellence in HK martial arts choreography. But don't accept any of the plot as even remotely based on facts.
I talk more in this vlog:
TL;DR: Ip Man wasn't the most powerful martial artist in China at the time, and by celebrating him for commercial gain, you prevent the truly good styles of Kung Fu from getting the students and evolving. As a filmmaker with so much influence, shame on the screenwriters of all those movies.