Exactly, this isn't a new article. This has been going on for years since the first announcement. How long does the scientific method take? In modern day, that is often a funding issue. Historically, some developments took decades to get right.
I do like how so many have assumed it was a computer simulated bullet.
Here is some of the simulated bullet testing, from 6 years ago...
Here is a guy who tried to make his own densified wood and did actual ballistic testing...
My guess is that wood armor isn't in our future anytime soon.