I'm also interested in how long it retains those properties. Steel can rust, but some alloys the rust protects the rest, while others it will rust away. Salt is also a factor in rust (important near the ocean). Wood often rots in water.
They claim the fire properties are good, but I don't know enough about fire to know if they tested all the important properties.
I don't know about this specific tech (which seems to be vaporware given the AI photos...) but the fire properties of some of the composite wood products are terrible they pose a massive danger to firefighters.
They are very commonly used in new house construction past a certain year for the central support beam, or the side beams, or both - that virtually everything rests on.
In a house fire, the beam heats up, the binder/glue weakens, and the beam suddenly fails - causing the interior of the house to collapse partially or entirely which not only sends the firefighters into the basement and possibly under a pile of debris, but it breaks up a bunch of housing materials that are suddenly exposed to the fire..
Done solely to make the profit margin for the contractor slightly bigger...
If you have such beams, it's probably worth looking into how to add insulation to extend the time before the beam fails.
They claim the fire properties are good, but I don't know enough about fire to know if they tested all the important properties.