I had/still have and use on LOB's a pair of booties that look very similar to Oldschoolto's, and I wore them for many, many years on Bonaire. Worked OK, I guess, and still work ok on nice smooth boat decks.
Then I bought me a pair of hard-soled boots on Bon one year when buying some for my young daughter, kinda on a whim.
What I found out was that the problem never was one of things cutting or sticking me, though I did jam one of those thorns at Oil Slick through my boot into my foot one time. Not sure any boot would have helped - those thorns could flatten tires. And the problem is almost never when walking around on the surface. It's when you step down into the water or up onto ironshore when exiting - those times when you can't see where you're putting you feet.
The problem was sharp rock poking me in my tender soles and causing me to lose my balance. Not penetrating the sole, just poking me enough to throw me off. I discovered that I had been tip-toeing through the semi-rough stuff, much as Oldschoolto does in the video.
In all the years on Bon with soft soles I never fell, but I did have several close calls. Mostly when exiting at the southern sites where you step up onto iron shore and the foam is hiding that spike sticking up, about to poke you in your instep when you put your weight down on it.
With the hard-soled boots I just walk, albeit carefully, but just walk with much less risk of falling.
And to me, falling is the real problem.
I'm an old-school kind of guy, that is, I am just old, and my gear reflects that. I used those soft-soles for 15+ years on bonaire. But it doesn't make a lot of sense when some new boots with a molded hard sole are not a lot of $$, and make life easier and safer for the old guy, for whom a fall is a bad thing.