I like Blackwell's work on "developer experience" adjacent stuff [1].

Maintaining low viscosity (resistance to local change) is a super useful concept for me when thinking about clean code and good architecture.

I think it's a pretty good signifier of elegance, decoupling, lack of spaghetti etc.

1: http://iihm.imag.fr/blanch/ens/2010-2011/M1/EIHM/cours/1998-...