[INFO] nmtui for cli install program when wifi network...

[Capitain_Jack]

I think something like "would you like to setup a wifi internet connection? If not, please, check cable network connection." upon detecting a unplugged network card and internet connection needed is a good thing to have on hand...

[pavroo]

The minimalcli is not for linux beginners.
The tool is pre-installed in all sparky spins and there is some tips about wifi at the wiki pages.