Considering the engineering firm removed the project from their corporate website, I imagine there's a PR war going on. So second guessing reports in the media now might be wise.
But really, temperature, phased construction, and wind are all part of engineering designs, with environmental data being collected for that specific location in advance.
No excuses.
For those interested, looks like a lot of it was prefabricated, quite a bit here in Calgary too.
More info here (and lots of cool pictures) starting on page 20:
http://www.ogra.org/files/5a%20Ray%2...%20Ontario.pdf