The revolution is not inevitable. It's a function of :

class consciousness, solidarity

dissatisfaction with capitalism, and the status quo

material conditions(how well the working class lives, eats, etc.

armed power of the working class.

The bourgies currently are crushing us on all points. They've managed to destroy class consciousness by destroying the labor movement, and massive indoctrination. Socialism is a dirty word, that you can't even mention in most places without being considered some sort of terrorist. They destroy solidarity by using the mass media and the police state to promote racism, getting all these groups fighting each other instead of the bourgeoisie.

They've managed to build a buffer between themselves and the working class, through the artificial "middle class", and obscure property rights in such a way that attacking insane concentrations of capital also somehow attacks personal property. The entire constitution and framework of the US is built around protecting white men's property, and no one wants to even discuss what property means, or the distinctions between capital and personal property.

As for the third point, we already reached the material possibility for socialism probably 30 years ago, and we live currently in capitalist "artificial scarcity" . Poverty, hunger, we have the capacity to solve nearly every problem of want, yet capitalism organizes the distribution of these things in such a way as to make them seem impossible to overcome, yet in actuality they're artificial problems that could already currently be solved with intelligent, human planning. But they manage to maintain their massive wealth concentrations by using economic imperialism, and building western welfare states of the backs of the world's poorest laborers.

The last point, they've beaten us by creating the all powerful police state, with cops and military shooting first, asking questions later for anything even close to being threatening. We're living in 1984 right now, with an Uber powerful surveillance state watching and recording for posterity everything we do or say online, on cell phones, etc.

IMO all is not lost though. The quickest route to bringing some of these things back, is to have a few hundred pissed off armed workers marching down wall street. That action alone could turn the tide and a begin a push back on a few of those bullet points.