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Bum Rap or Bad News?

Formaldehyde is found in nature almost everywhere. It is in our foods (fruits & veggies)  & even in our air.
It is also present in many materials such as plastics, carpets, fabrics,

The toxicity issue with the formaldehyde adhesives used in the production of plywood was, the "Off-Gasses". The gasses given off by formaldehyde were causing allergies, not illness, to be a problem for some people. Years ago, the plywood industry was forced by the FDA, to start using a more stable formaldehyde adhesive, which gives off a minimum of off-gas. This new adhesive is inert when dry & basically creates a plastic layer bond between 2 woods or veneers.

So, is plywood safe for our birds to chew or not?
I'd have to say that the most compelling evidence to me is that about 90% of all breeder boxes &
bird houses are made of plywood & have been for many years!
Since so many breeders and babies have been raised in nest boxes made of plywood,
if off gassing were a problem, we would have seen the effects before this.
Nest boxes are a small, not well ventilated place, surely the babies would be effected if there was a problem
Breeders certainly would become ill regularly if chewing on the plywood was a problem

So What Do You Think?
has plywood received a bum rap?