A few have thought it was a political or even religious stance e.g. environmental-based, anti-corporation/capitalist. No I just don’t like lugging around and burdening myself with unnecessary stuff. although I suppose it does influence certain views e.g. sustainability.
The traffic. Even if 8/10 posts would be easily answered by reading the sidebar, doing a search, or taking a long hard look at oneself; those 2 posts would be pretty good.
Muji or Uniqlo are good go to shops.