>This second method is, by the way, argued to increase compatibility as we utilize env to locate bash, which may not be located at /bin/bash. How true this is, is a topic I dare not enter.
At least it seems important on NixOS, I had to rewrite a few shebangs on some scripts that used /bin/bash and didn't work on NixOS.
And on macOS if you need bash > 3.2