Well, it will. if you store your dirty socks in the food bag! I take a separate plastic bag for the dirty socks, which will probably also be wet or at least damp and impart the dampness (as well as the odor) to your dry stuff, not just your food.

A lot of folks these days seem to be "learning" from Youtube videos, posted, of course, by "They." Some are good, others defy common sense!
_________________________
May your trails be crooked, winding, lonesome, dangerous, leading to the most amazing view--E. Abbey