> But, as I understand the claim, it doesn't do 80% of the work but are 80% of the way there.
No, they claim both that it will do 80% of the work to build the app within an hour and that they are 80% done with the app. (Both claims being 80% makes it easy to mistake them for a single claim, but both are stated separately in the article.)
Tangentially, the two 80% claims together seem to me to pretty forcefully bring to mind the 80/20 rule even before considering whether the claims are completely fraudulent.
No, they claim both that it will do 80% of the work to build the app within an hour and that they are 80% done with the app. (Both claims being 80% makes it easy to mistake them for a single claim, but both are stated separately in the article.)
Tangentially, the two 80% claims together seem to me to pretty forcefully bring to mind the 80/20 rule even before considering whether the claims are completely fraudulent.