It was a perfectly inoffensive way to spend a half hour, for sure, but by no means was it a great show. Certainly to me it was passable, decent even, but if I was in a market where the show aired it wouldn't have been appointment viewing.
And three years isn't a bad run per se, but this was intended to be a statement made by a group of stations that weren't happy with having to pay the rights fees that they were for Merv's brainchildren. To me, the show either needed to have at least a few more years in the can or to have made a significant dent in the ratings of Wheel and Jeopardy in those markets to make the exercise seem worth it. 0.6 isn't significant enough, so to me the experiment failed.