Kali #Linux announced a new security model in for Non-Root Users which is going to be released in kali 2020.1 update, and it is currently scheduled for late January.

Kali has initially inherited the default root user policy from BackTrack and This new announced default not-root user model due to the evaluation of Kali tools and policies

https://gbhackers.com/kali-linux-announced-new-kali-2020-1-comes-with-kali-non-root-users-by-default/