Yes. Some of the canvas bags I use are at least 40 years old, and they still look and work just fine. Much better than those flimsy little plastic bags, for sure. Like you, I know it's just a small difference. I also know small differences add up to big ones...when enough people do something.
Most of the videos showing the "life of a plastic bag" and the harm they do are sort of long, but this one illustrates what I see and have seen most every where I've been. Plastic bags blowing around or trapped in trees and fences, in waterways, and mixed in with the seaweed and trash on beaches, and in my own front and backyard:
[media=https://youtu.be/GLgh9h2ePYw]