People of dominantly weak traits should not smoke, watch tv, eat anything synthetic or breathe exhaust gasses at all.
People with dominantly strong traits can handle all that (except tv), and quite a bit more.
In any civilization that is over its peak there are more weak than strong traits.
In every rising civilization, the population chainsmokes and drinks hard liquor.
I used to like using folgers singles, especially when traveling, but it’s getting harder and harder to find these days as everyone seems to be into Keurig craze. I did come across this one the other day at the supermarket. Giving it a try right now (although I’m usually not a fan of Maxwells House)