Smart Engineers are rarely smart product/business strategists. They start with developing a technology and then try to convince prospective customers that it is the cure to their biggest problems. VC seemingly throws some money in hopes that the nerds will develop some IP that they can sell.

Source: CMU grad to converted to Marketing and Product Strategy after working at a spinout startup.

Lots of kind people here, but I am inclined to suggest a professional course that covers safety, legality, and proficiency. You need all three to handle a weapon in a responsible manner.