""do you still think the weight-in-heel stage should be skipped on a forwad TH step?
If so, how can you reconcile the two?"
Yes, I do. Though 'skipped' is a loaded word. It's more that it is just plain unnecessary and detrimental to quality movement.
The point of this whole discussion is not about bringing into question the lady's weight moving back as the man's weight moves forward. It's very specifically about where the weight is in the foot, or the point of pressure into the floor, for man and lady at a specific point in time in a continuous movement. And whether this point of pressure needs to move back to heel for the man for the 'sake' of the lady, a point you are trying to argue. I'm saying based on how the lady's weight collection works in general, and for the TH steps as well, the man does not have to move this point of pressure from the ball of foot back to heel on the weight collection. It unnecessarily impacts the forward progression."
Rha, unless I'm mistaken you've agreed that the lady's weight moving back is linked to the man's weight moving forward.
While it would be very unwise for the man to let his weight move backwards in a forward action, I'm still trying to understand how you can have the lady's weight still forwards if the man starts with his weight forwards. Once the man's weight is forwards the lady should go back.
I have a suspicion that if you are seeing ladies let their weight go back to quickly, this may actually be an appropriate response to your lowering with your weight already forwards in your toe, instead of letting your weight initially arrive into your heel and then moving it forwards.
Again, if you take your full weight on the toe before lowering you have already over run the heel and cannot naturally lower to it - you've missed the chance to. But if you merely apply pressure with the toe as you rapidly lower the foot, the first full support of body weight will be in the heel. From there you and your partner can make a coordinated progress of your weight through your feet.