What? None of this screed is correct. The iMac was responsible for starting the return of Apple and was extremely popular: http://www.sfgate.com/business/article/Apple-Profit-Up-iMac-Sales-Cited-2952619.php
It had USB, not ADB, so it was pushing the envelope of connectivity and was responsible for a ton of USB accessories coming to market shortly after it was introduced.
As for “fantastically ugly,” that’s just like, your opinion, man.