Is there anything stopping anyone from using this for commercial purposes? I know that when you fill in the google form you need to agree to noncommercial use, but someone downloading this will never have agreed to that licence agreement.
It would be like playing copyrighted music in your office without permission. Perhaps technically illegal, but your customers will never know what music your Devs were listening to...
And even if it did not, Meta certainly has a more capable legal team with more cash to spend than the average HN user.