As a PDP-11 assembly programmer who migrated to C, this one has caught me out too because it does 'feel' a very natural explanation. Possibly it's because both

As a PDP-11 assembly programmer who migrated to C, this one has caught me out too because it does 'feel' a very natural explanation. Possibly it's because both products came from the ideas that were in circulation at the time - or maybe it's that PDP-11 assembly programmers who moved to C found it easy (given pointers with pre/post-increment/decrement addressing is baked into the instruction set).