Except in your case, it's true.
The epithet that you brandish as "class envy" is no different than what the adolescent left-wing spews as "corporate greed".
Rather than the polar opposites that the politicos strive to differentiate, both are merely manifestations of the same primal human motivation to seek economic security and prosperity.
When the goal of improving one's individual lot in life is widely perceived as attainable (albeit through hard work and discipline) capitalism flourishes for the benefit of all. However, when those same goals are widely perceived as unattainable, and efforts to obtain them consistantly frustrated, social unrest is directed at the growing disparity between the "haves" and the "have-nots".
The role of government should be to promote the former while avoiding the latter.
People who believe in liberty do not agree with you.
The proper role of government in a free society is to defend rights.
That is one of the fundamental differences between us, you are an authoritarian. You believe in and advocate that force is used to achieve political ends. I do not. I also believe in property rights, you do not.