> I know a lot of developers who will opt to do all of their scripting in python these days, even putting #!/bin/python3 at the head of a script so that it runs through the shell.

...which is exactly what you're meant to do.

This is not an example of how bad Bash it, it shows that you didn't understand what Bash is. It's expected to use various languages to write code on Linux, nobody wants you to do things in a language that wasn't made for the task.

Imagine you had to use Python on the shell and, any time you open a terminal, needed to import os and do something like print(os.path.glob("*")) instead of just opening a terminal and typing "ls" to get your directory listing. Different tools for different jobs.

Also the point they try to make about bash looking like a foreign language and having weird syntax. Yes, that's the thing: it's a very specific thing called a shell, not just any old programming language that you're meant to use for things that are not shell scripts. If Python feels more natural to you, that's probably what you should be using. Don't feel like you need to use Bash for bigger tasks than a few lines of code for no reason other than because you're on a system that has it.