Are the people who are having lots of children that survive to adulthood today different in significant ways from the people who had lots of children who survived to adulthood 100 years ago?
Clearly, yes.
> Not only dumb people can survive but there are evidence they procreate a lot more than smart people.
If dumb people survive and procreate more than smart people, and if intelligence is hereditary, the human race will become dumber.
Sure there is.
Are the people who are having lots of children that survive to adulthood today different in significant ways from the people who had lots of children who survived to adulthood 100 years ago?
Clearly, yes.
> Not only dumb people can survive but there are evidence they procreate a lot more than smart people.
If dumb people survive and procreate more than smart people, and if intelligence is hereditary, the human race will become dumber.
That's evolution, dude.