If you ever get involved in hacking, a lot and I mean a LOT of the tools are written in Python.
It can be a real PITA to set up a ton of different, standalone python programs, so kali linux comes with most of what people will need installed and ready to go.
Personal rant: Stop writing your programs in Python. If it’s meant to be distributed, use a compiled language.
Already rings an alarm bell, but thank you for sharing regardless.
Also, their website runs like shit. I don’t have much hope for them making a gaming OS that doesn’t, but time will tell.