I don't see a problem in any of the videos however Mike moves so slowly when loading as to be almost painful to watch - but loaded just fine - perfect as far as I could see, especially great for someone new to the game. Good video, Mike. The second video of shooting is fine as well as-is the third, in my humble opinion.
The video of him taking a drag on a smoke while his son touched one off - I still see no problem. He is not loading while doing that (as I used to do) - I think he deserves a him a break in this. As far as a single spark creaking problems - catch a gander at the vent while the rifle is going off sparks are flying 12" high & 12' to the right as well as 15' out the muzzle. That's sparks.
I've been in a similar situation, overreaction, if you will concerning myself - smoking a cigar or pipe, walking along minding my own business and had someone approach me concerning the horn at my side - saying/screaming/crying that it's going to blow up.
I see much less problem with that, than a horn hanging along the dew cloth in a lodge, with a fire going in the middle - or horns anywhere in a lodge with a fire spitting away - yet that happens and is overlooked by the same person complaining of the smoker.
I'm a new ex-smoker myself, btw - but as yet I tend to cut the smoker a break. No, I can't stand the smell of cigarettes either- especially American cigaretts. I see nothing wrong with the video. Mike isn't even wearing his bag and horn.