Even as a webdev, I didn't know what webflow was, so I went and had a look. I've never had a website utterly destroy my hardware before, my whole browser, even other tabs, slowed to a halt, as webflow tried to run 1000 animations and gifs.
Imagine that being your marketing page, what hope does that inspire in potential customers.
Aspect on the other hand was simple and to the point, without all the fanciness, and used their layout examples to do the talking.