Wrong. The intentions of the ruling class are not to oppress others but merely to protect their own interests, which is a far more difficult matter to confront.
The fundamental basis of capitalism, being the state's violent protection of the right to accumulate capital, defines the predominant motives of oppression. Members of the ruling class have little choice but to expand their personal power and control, lest they lose it all. This tendency alone results in the private prison industrial complex and erodes citizen rights.