Collecting some examples of less obvious, more niche mental models:
Live players and dead players (Burja)
Definite vs Indefinite Optimism
Toy projects can generate valuable outcomes
Institutional memory and amnesia
Offensive vs defensive infrastructure
'Luxury beliefs' are latest status symbol for rich Americans
Pace Layers & Long-Lived Institutions
These are in addition to well-known generic mental models (e.g. Pareto principle) as described here:
Mental models must be made operational
https://twitter.com/george__mack/status/1350513143387189248?s=21