Waving his arm and a student jogging at him falls down, or a small twitch of a staff sends multiple people falling over but ok…Ok thanks.
There's no BS in that video. Whatever BS you think is there is probably something else.
I just see ukemi training, and a seriously agile old dude moving like the wind.
Like, if I did nothing but scream in your face, could you do a forward roll? Right now?
How about old age? Aha! I've just given you the car keys to Aikido. Use it well, and for peaceful purposes dude.