> not only that, they aren't removing the default 2.7 that they ship.

Yes they are:

    $ python

    WARNING: Python 2.7 is not recommended. 
    This version is included in macOS for compatibility with legacy software. 
    Future versions of macOS will not include Python 2.7. 
    Instead, it is recommended that you transition to using 'python3' from within Terminal.
    
    Python 2.7.16 (default, Aug 30 2021, 14:43:11) 
    [GCC Apple LLVM 12.0.5 (clang-1205.0.19.59.6) [+internal-os, ptrauth-isa=deploy on darwin
    Type "help", "copyright", "credits" or "license" for more information.
    >>>