If you divide the single 11k-line file into a thousand 11-line files, it may become objectively much harder to understand, but it'll also receive much less flak, guaranteed.
I suspect this is also why Architecture Astronaut-ery can be so successful within a company. If code is chock-full of superficial signs of order and craftsmanship, such as hierarchy, abstraction, and Design Patterns(TM), it takes a lot of mental effort to criticize it, and most people won't.