It has changed me... for good. I have started living peacefully as I know whatever wrong they are doing, they will face the consequences.One pays for his Karmas and the earlier you know, the better it is. I read an interview of Shiamak Dawar in TOI and that how it changed him. I knew that I have to read it.
Everyone should read it to be a better human being but those who have already read... have they learned something? As they say.. books are meant to be read and to quote Bacon
"... some read for the sake of reading"
Read you must but it's good to learn from it. Rest is up to you after all India is a free country.