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I had high expectations from a bunch of friends recommending Snowcrash , but when I read it I found it to be so awful I couldn't even finish it. It was just so childish and stupid. I don't get why people like it.
Of his books that I read, it is definitely the one that comes across as the most childish and stupid (with a few good ideas). His other books aren't like that. I had trouble getting through them as well, but for other reasons. For Cryptonomicon it was his "let me prove how smart I am" diversions off the main story for dozens of pages at a time, and for Anathem it was an interesting idea told in a boring yet difficult…
Dick is a champion of the underdog everyman. His protagonists tend to be humble repairmen and other "losers" in the lower stratum of society... I find those characters very human and relatable.
The other type of Dick protagonists are those who think they're on top of the world, until their world turns upside-down and so they get to experience being dragged through the mud.... usually finding out that what they thought was a perfect world was broken, hostile, and sometimes even evil.
His writing style is direct and economical. I really don't have a problem with it.