wall street facilitates (and is a symbol of) that wealth concentration. it is not solely responsible for it, by any stretch of the imagination, but there is enormous power in it, and that power is out of the realm of possibility for the vast majority of humans.
the question of whether or not they hate stocks is kind of missing the point.
finance capital is an abstraction, and a fetishization of power and of the productive and earning capacity of people. and the connection of that wealth and that abstraction of power to media outlets and government is troubling to people who want access to equity and to a say in the way standards are set and the way values are expressed in terms of praxis.