There are GUI clients for IRC that don’t need any “command line options” (some don’t even support them). And there are (and certainly were) plenty of people on

There are GUI clients for IRC that don’t need any “command line options” (some don’t even support them). And there are (and certainly were) plenty of people on IRC who aren’t very technical. Seriously, around 20 years ago it was often used as a "dating app" by regular users, or for radio listeners & DJs to chat, etc.