... doesn't explain the real world
   application of homeomorphically
   irreducible trees, ...

... which are deeply intertwungle with computer networks and computability problems, but you know, don't let ignorance get in the way of a good dissing of something you don't understand.

    ... which apparently aren't really *math,*
    but graph theory.

Because, you, know, research mathematicians just sit around all day multiplying together really big numbers.