Social media has lied about user privacy and has misled the public about the platforms' status as open forums. But none of this makes these companies monopolies.
Liberalism in the tradition of Mises and Hayek will not solve the problems of human nature, but it can help to establish a social system in which humans can live peacefully with material prosperity.
It's increasingly clear two things are going on: leftists are very interested in taking their rioting and looting far beyond city limits, and government police are not interested in doing much about it.
Thomas Sowell has explained that while "Marx may have explicitly advocated the idea of a democratic workers’ government, his own personal style was dictatorial, manipulative, and intolerant."
The stock market does not have a life of its own. In a relatively free economy, success or failure of investment in stocks depends ultimately on the same factors that determine success or failure of any business.
It may be emotionally satisfying for many to favor sticking it to billionaires, but reason informs us that in so doing it is the poor who would end up paying the steepest price.