Mine in East TN does the same thing. ☹️

I do not have and have not grown one but am going on general plant and design knowledge. I think one should first accept the general character of the plant and place it accordingly. And according to that maxim, I think at the intersection of drive and public walk plant is the wrong place for this plant. It should be more like in the frontal portion of a backdrop, such as part of the planting around a house foundation, or at the property perimeter ... but not in the foreground. I would relocate it, and I think in that case, it's floppiness would not be an annoyance.

Considering that it is a mere few feet tall, I would not think that making a "tree" form out of it (by removing lower limbs) is right or a good idea. That's something one might want to do with PG Hydrangea on account of it being well over someone's head.

Think about, about it. I have a couple of LLs that are topping out at 12’

Then it could go in the tree form direction, same as PG.