For example if you are a back leg weight person much of the close range footwork won't work or be usable.
I agree 100%! From my personal experience it's because a back leg weight person is not able to effectively transfer his body mass to generate the necessary forward drive needed to effectively destroy the opponent's root to control his center of gravity.
They reason I asked whether you personally used the type of front step directly down the center that Lo Kam Man did in the clip after the triangle step is because personally I find it's very susceptible to a double or single leg takedown from that angle, so wanted to get your take based on your experience.
The goal of wing chun is to drive in and get close to your opponent. I like the phrase get under their shirt.
Does this also apply to when using Mun Sau? for example, do you generally step forward into the opponent when throwing out a mun sau to engage him?
In a previous post you had said:
Mun sao is an attack asking the other person to intercept your hand. If there is no intercept then your mun strikes them. You only extend because you have something in mind. You are attacking. It doesn't matter if your opponent commits first. They either give you their hand via a block or intercept or they don't and you hit them.
What happens if the opponent does not give you their hand via a block or intercept, but instead remains elusive at close range by their changing footwork angles with “bobing, weaving and slipping to altogether avoid your man sau attempt with simultaneous counter strikes as in how Mike Tyson does it, do you still just hit them by turning your mun sau into strike? or does your mun sau morph into a cover while you simultaneously strike them with your other hand?