> If I share somebody a python script, they can still execute it as a program as long as a shebang is set.

As long as they have the right version of Python and all of your program's dependencies installed, which they most likely won't.

> They can use this script on any operating system and can open it with at text editor to view it's inner workings.

Someone who doesn't know how to program most likely isn't going to be using multiple operating systems and isn't going to want to open the script in a text editor to view its inner workings.

I agree with the parent comment that distributing binaries is way more seamless when your users are not very technical.