Tiresome and rather stupid hindsight bias. I even generally agree with the opinion in your quote about Hitler's art, but in the broad scope of works that have been heavily applauded by art critics and galleries, it falls far from bottom rung. And it's certainly not deserving of someone declaring its creator's efforts as "hopeless". That would just be a shitty attitude because an artist with the technical proficiency of Hitler could indeed be successfully nurtured in the right environment towards really creating something interesting. But of course, because it's Hitler, safer to say it was prosaic crap with no humanity to it and no hope of anything better had things been different...