There’s no reason to believe this. This is the same company that publicly stated their principled position relating to the culture of free speech and then flip-flopped not even 3 days later.
It’s not about that issue but rather that this company has lost credibility and should not be trusted with any promises. Keep at arms length.
It's an open ended, mechanically triggered, gas generator frequently employed to convert chemical to kinetic energy of a poperly dimensioned payload.
That has many many uses.
Additionally you can use certain attachments or rounds with guns for breaching doors. https://en.m.wikipedia.org/wiki/Breaching_round