And some people like drinking scotch, some people like wine - power to ya, great thing about having choices. 👍🏻
For what it's worth, I've found the "whump" is applicable on ANY quad or bridle for the desired effect, some more than others - French bridles and original Rev bridles more so than I found on the Sync.
My sense is that you still don't actually understand what the point of it is - whump isn't a "jerk and herk" movement, it's the little tiny give and snap that we ALL do to jump off the line, versus simply pulling back on the top lines. That's it.