The V in MVP stands for viable. Things that aren’t viable aren’t MVPs they are steps getting to an MVP. Part of the value of testing stuff is to check and see if what I think is an MVP is, actually is. When it clearly isn’t, if I call it an MVP then I’m either insane or a marketing person.

Prototypes are perfectly cool as long as expectations are met. Of course, charging $10 for a prototype doesn’t frequently work