Saying that songs played with a pick aren't worth listening to says more about that listener than the songs. All a matter of taste. Maybe the person making the statement just doesn't like popular music.
Let's see, for starters, 99% of the Beatles and Wyman-era Stones catalog, 100% of Joe Osborn and Carol Kaye's studio work, Rick Danko, Mel Schacher, Chris Squire, almost all early Entwistle... and that's just off the top of my head.
BTW, I thought Felix Pappalardi played with his thumb.