Religion is the cause. You are not allowed to think outside the cult. There are a lot of idiot Americans who don't own guns or are exposed to them, so the lead theory is not valid in that sense.
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what could explain the incredibly high numbers of Americans who seem incapable of critical thinking
Garbage education system.
100%. It's been intentionally neutered to keep people ignorant and stupid in their decisions.
It's 'razing of the library of Alexandria' bad for our near future. The only thing worse I can think of is plastic pollution.
It's really the idiocracy theory. Dumb people have more and more kids while smart people tend to have 0 to 2 kids. It's exponetially growing the amount of dumb people. Besides some people that had potential dumbed themselfs down by joining organized religion. very sad
It's not smart vs dumb though, it's educated vs uneducated. I seemingly small distinction but a critical one.
There's a distinct inverse correlation with the mean education level of a population and their birth rate (the better educated a group is the fewer babies they have) especially when you look at the women in that population.
Uneducated parents don't value education in their children and so on and so on. Educated parents very much do value education in their children and actively participate in the schooling.
These two factors together mean that there's a increasing number of people who do not value educating themselves or their children and also tend to identify with those politicians who present as uneducated (while actually being highly educated and highly intelligent but lacking in any empathy or morality). This is one factor in why populist parties are gaining traction again in western democracies.
I figured copper jackets would greatly reduce lead exposure, which is all I used when I used to shoot.
You’d have to shoot thousands of rounds in an unventilated room to get even close to one day of leaded gasoline exposure
Leaded gas wasn't fully stopped until 1996. Still in some aviation used (piston plane engines).
But yes I wonder about shooting ranges too. I think a couple times a year at an indoor range isn't insignificant.
You're half right, they're are brain damaged.
But bullets?
I don't know man. Seems unlikely. Leaded fuel and lead paint tho..?
#Lead Exposure in Last Century Shrank IQ Scores of Half of Americans
Leaded gasoline calculation to have stolen over 800 million cumulative IQ points since 1940s
A new study calculates that exposure to car exhaust from leaded gas during childhood stole a collective 824 million IQ points from more than 170 million Americans alive today, about half the population of the United States.
https://today.duke.edu/2022/03/lead-exposure-last-century-shrunk-iq-scores-half-americans