1. It doesn't mention obvious potential causes to brain changes and hormone levels that coincide with having children like lack of sleep, changes to diet, or adjustments to work patterns etc.
2. It says towards the end that I should continue to wrestle the boys. Great!
Don't bother reading the article. It's an unenlightened rant.
Indeed, the author does not know that Python is strongly typed. Most of the article is nonsense.
If you're running the same code on different machines or virtual machines and one fails, the first thing you check is the version numbers of the runtime and libraries. This is true in any language.