Maybe because that’s not the full quote and you’re misunderstanding the meaning. This is like when people think “survival of the fittest” means the strongest/fastest etc.

won’t get any calories out of them

Me, an intellectual: eats a chunk of uranium

Means “contains carbon” in any context other than food

Of all the arguments this one always feels like the absolute weakest. There are so many acronyms that are not pronounced like that it’s unreal. Unless you commit to pronouncing it jayfeg for the rest of your life…

These are both examples of catapults, broadly, siege engines that use stored energy to make big projectile go over there real good.

What people tend to refer to when they say “catapult” is a mangonel or onager, and go on to imply that the trebuchet is not a catapult. It is a catapult, just a different kind. Much like we have cars, which are vehicles, but we also have trucks, which are also vehicles.

https://en.m.wikipedia.org/wiki/Catapult#Medieval_catapults