Why was karl marx so angered and disillusioned ny the ndustrial revolution?

Karl Marx is angered because of his ideas about the exploitation of the working class, he had plans for a workers revolution which would end in a dictatorship of the Proletariat. He had witnessed the exploitation of workers during the Industrial Revolution and his writings indicated as much

Marxism is the movement founded by Karl Marx and Frederick Engels which fights for the self-emancipation of the working class, subjecting all forms of domination by the bourgeoisie, its institutions and its ideology, to theoretical and practical critique