[conjectures]

Common pattern where a bright spark asks, 'why you all so complicated?' Proceeds to assume we're dealing with a finite graph / set.

All the complication is needed to handle the fact that the state can be a random vector of real numbers in a possibly varying dimensional space. It's not jerking off on jargon for its own sake.

Sure, there are simple cases - doesn't make the general case 'bullshit'.