He’s not supposed to be a completely sympathetic character. He also has signs of incipient schizophrenia.
He was boring. He actually needed some problems in his life as he had none.
He also has signs of incipient schizophrenia.
He was a narcissist, not very intelligent and lacked a desire to learn. While it is possible to write a good story where the protagonist is all of these things this was not that story.