[G Larry]

"He suggested the materials might have been faulty, but insisted it was 'very unlikely to be the local wind speed' that brought it down."

Uh...NO dummy, it WAS the "wind speed" that brought it down!

Now, the reason it was susceptible to those wind speeds may have been defective materials, components, or design.

[nascarnation]

Chinese sourced steel?
I’ve heard they have variability in material properties at times....