I did spot it although you have @Hanuman for pointing it out first.Thanks Andrew for pointing out the water damage
Without knowing your consumer rights in Canada I don't know how to help you pursuing your claim but in the UK ours are surmised by SAD FART:
of a Satisfactory quality As Described / Fit for purpose And last a Reasonable length of Time.
(Too much of a man called Martin Lewis but after being stung myself it's something I've learned a lot about)
as @hogan53 says this doesn't fit one of the above criteria.It should still be fit for the purpose purchased for.....which it is not
We also so get a certain time after purchase and if it's unused you have far more rights too.
Do you know what an official FireAqua stand looks like? - It looks quite DIY in my opinion.
Plywood can twist very much by itself, not so much in thicker sizes (18mm+)
If you end up having to try and fix it yourself then it's almost as easy to start over again.