I mean if it is its clever - put a bunch of made up products out there to gauge interest without needing to invest any capital, then actualy make the products that garner the most attention. Makes way more sense than trying to manufacture and market things from scratch
Repeating what some have already said here:
https://youtu.be/OoJsPvmFixU?si=NrURYGlLii4Dbi1_
The host has a background in aerospace engineering and missile test flights - so its about as close to rocket science as you can get! He knows his stuff and has a lot more practical, engineering related videos - kind of makes you think about how to operationalise the more cerebral ideas of the other channels.
Hope you enjoy some or all of the suggestions here and from other commenters