I've never seen this vape, but if the OPs description (Korya) is accurate he's really on to something.
I'm not comfortable with the 'pipe bomb' idea, this is more dangerous IMO. You expect a pipe bomb to blow up if you light the fuse and wait a bit, not so here.
Most of the damage seems to be burns in many cases (not real explosions), although guys have lost teeth and worse when the pressure makes a gun of sorts, using the battery tube as a barrel, and firing the works into the owners mouth. IN NORMAL USE. No 'user error' as you might define it, although I'm sure rubes run the numbers up. Sometimes guys have put charged 18650s in backwards.....with exciting results as well.
You don't really have to do anything wrong, bad luck will cover it sometimes. That's what the vents are for........
Like I said at the start, I've never seen this vape, and thinks to
@korya and his timely warning I'm sure not going to rush out and get one......
This looks like a good one for avoiding to me. Lucky for us, there are other proven safe options to pick from?
FWIW this 'problem' (vapes blowing up) is one of the main excuses used by those that seek to ban stuff. The rash of 'prove you're 18 before I show you anything I have for sale' is 'lawyer talk' for how to avoid suits here from what I understand. Some kid's parents suing you because you sold Junior the evil vape. "It's for the children".
OF