Very few people actually dispute the crux of most of his arguments (at least those that have more than a surface awareness), but his dogmatism and often shrill

Very few people actually dispute the crux of most of his arguments (at least those that have more than a surface awareness), but his dogmatism and often shrill OCD about slapping the GNU-prefix on things and poor social and personal hygiene have resulted in an image of a wildly paranoid crank which has made it easy to write him off casually by many of those who should be listening to him.