As with any physical activity, a person who plays with swords every week likely significantly reduces their all-cause mortality compared to spending that time sedentary. So if that's your jam and gets you active, enjoy it.

Yeah and someone who swims at the beach is more likely to drown than any random person.

There's an old Soviet proverb.

Those who don't know how to swim don't drown.

I suppose the average person in Soviet Russia didn't go sailing that much.