Marx is 100% vindicated by saying the bourgeoisie produces, above all else, its own grave-diggers. From the Manifesto:

The essential condition for the existence, and for the sway of the bourgeois class, is the formation and augmentation of capital; the condition for capital is wage-labour. Wage-labour rests exclusively on competition between the labourers. The advance of industry, whose involuntary promoter is the bourgeoisie, replaces the isolation of the labourers, due to competition, by their revolutionary combination, due to association. The development of Modern Industry, therefore, cuts from under its feet the very foundation on which the bourgeoisie produces and appropriates products. What the bourgeoisie, therefore, produces, above all, are its own grave-diggers. Its fall and the victory of the proletariat are equally inevitable.

We are witnessing the slow collapse of a dying Empire. That's why I keep a "Read Theory, Darn It!" beginner reading list on Marxism. All except one work has an audiobook alternative linked, otherwise there are text links directly to said works. It starts off with foundations, then builds on said foundations, ending with some practical advice on how to conduct yourself as a Leftist in general. I also include intersectional theory regarding trans and enby liberation, gay rights and history, and decolonialism.