Although most preservation projects IVTC back to 23.976, for a quick and easy transfer it's fine to keep the telecining like that.
It only looked bad on your PC because computer monitors are progressive display and the field interlace lines are visible.
Any reasonably good DVD playback software (and most video card drivers) have built in deinterlacing algorithms that should have removed those lines on playback.
It sounds like you just didn't set your software up right.