I don't see it as any more legit than the other clones. It is not an exact copy. But bicycles have been largely copies for most of their history. Brompton, or Andrew Ritchie, was just more original than most. I do think that clones help the advance of things. Not to say that I disagree with patent law, either.

Looking at the Vello, it looks small, but then the wheel is removed. Is this a legitimate advance? My Swift would look smaller if I pulled the front wheel off. And what is up with the small rear fender?