[crabbone]

Overlooked by whom?

Even though most of the stuff OP writes about is worthless, I see it used a lot (if it's old) and less so, but still enough otherwise...

This article reads to me like as if it was written by someone learning Python, perhaps in their 3'rd-4'th month, when they finally decided to open documentation / some existing project code instead of implementing calculators and animal class hierarchies...