LeanStartup without Customer Discovery is the new "LeanStartup-but"
In my opinion a lot of people fail miserably when trying LeanStartup. Even senior Agile Coaches are not immune to this.
That's not really comparable to Scrum-but in Scrum, but is for me me the same naivity to totally miss the point without knowing it.
I see a lot of people and companies claiming they are doing some kind of LeanStartup experiment to try out a product idea.
What they are usually doing is:
Well, atleast some show their products to real potential paying customers and not only to their family and friends.
What wrong with that? They are totally missing the point of validating "Problem" and "Customer" before proposing the solution and obviously even worse before building a product.
No Customer Discovery, no Problem-Solution-Fit
Save to say, there is no entrepreneurs passion when building something when you are not sure if you found a "problem worth solving".
For me, LeanStartup without Customer Discovery is like the new "LeanStart-but".