I am the author of the posted flamebait. I agree.

I use IPython / JShell REPLs often when the code is not finished and I have to call a random function without entrypoint.

In fact its possible to jump to the graphical debugger from the Python REPL when running locally. PyCharm has this feature natively. In VSCode you can use a simple workaround like this: https://mahesh-hegde.github.io/posts/vscode-ipython-debuggin...