Again, the library in the article removes some stdlib footguns. The footguns are there, and if you use the stdlib, you need to remove (or avoid) them yourself. There's no free lunch, and you'll either need to remove them yourself (and test that code), avoid them (and constantly remember to not hit them), or use another library.

It's not a choice between "using a dependency" or "using something in the stdlib", where all other code remains the same, otherwise there would be no point to writing a library, as it would offer nothing over `datetime`.