OK I will look for an animated version that makes it as clear as a Tom and Jerry cartoon.

I was in 7th grade when I learned about the split beam experiment.
It is 200 years old.

Ah here it is

Lets do it with big balls of silicon
https://www.youtube.com/watch?v=fnUBaBdl0Aw


Now electron cartoons (not as good)

https://www.youtube.com/watch?v=DfPeprQ7oGc

When we go to measure we are collapsing the wave because we can not know the position AND direction at the same time.

Collapsing the wave leaves us with a digital black or white result instead of an interference sum of all possibilities result.

When we measure people we are in a very small way collapsing multiple possibilities. at least I had that crazy idea.