How much can I forgive to villains in Barker’s ‘The Damnation Game’?

Since reading Barker's Weaveworld by chance around 20 years ago, which I loved, I've been in and out of the Barker worlds. This year, thinking I should go back in time, I read his first novel, The Damnation Game. The book was well written but also made me wonder why I am reading these horror, supernatural books.