Warwolf was not 400 feet tall

Recently there have been several internet sources posting that Edward I's prized trebuchet, Warwolf, was 300-400 feet tall.  I've watched this notion pop up over the last year and everyone eats it up without question. But this is totally ridiculous and doesn't pass a common-sense check, let alone present any primary sources. Warwolf was probably 60 feet tall or there-abouts, but we have no way of knowing exactly because no sources say how tall it was.

Seriously, how could a trebuchet ever be 400 feet tall?  That's taller than many cathedrals in Europe, which took decades to build.  A trebuchet by design is limited to the height and size of available trees to construct the machine, and unless you are in the Redwood forest in California trees are not that tall.  Because of the square cubed law, a trebuchet that large would probably break.  Even today building one that large would be ridiculous.  No trebuchet has been, or ever will be, 300-400 feet tall.

I personally deleted the line from the Warwolf Wikipedia page last summer that said this -- it didn't have any footnotes.  But that hasn't stopped this notion from becoming more and more popular.  It's created a citation loop on dozens of light-weight, unreliable surface websites on the internet.

We need to combat this misconception.  Please stop anyone who says this and fact check them.