Bill Lawvere, an extraordinarily original thinker and pioneer of category theory and logic has thought Hegel worth studying and has produced very nice mathematics out of the Science of Logic [1].

Honestly if you've made up your mind that there's nothing worth reading in Hegel or Marx you're like a frog at the bottom of a well.

[1] https://github.com/mattearnshaw/lawvere/blob/master/pdfs/199...