Predatory black bears are actually responsible for most bear attacks on humans. https://www.adn.com/alaska-news/article/lone-predatory-black-bears-responsible-most-human-attacks/2011/05/11/
I use the Desantis with both my 15 round glock 19 mags and 9 round 10 mm mags and never had a problem. After getting used to the extra weight, I barely notice that it's there.