system
A chat on subreddit /r/NoStupidQuestions
human
I came to say this, so I second this. A Roomba is quite an investment and not strictly needed for living, but it indeed is really nice to have that chore automated. Saves time, too.
gpt
Don’t feel like you are missing out.  I can vacuum my whole house (about 1200 sq ft is carpet) in 15 mins if no one is in my way.  Roomba isn’t saving anyone hours of time