The one subsystem that all traditional RPGs bolt onto their core resolution mechanics is a conflict system and, like it or not, the most popular iteration of a conflict system is one for physical combat. Cyberpunk 2020 had a combat system designed with realism in mind, and, thanks to a statistical basis in actual criminal activity using guns, did very well in terms of combat verisimilitude. This did mean that some of the “imbalance” in the system, namely the overwhelming power of a high initiative roll and the destabilizing impact of armor, were based on reality. Quirks aside, what made ‘realistic’ fun was that the system played quickly and had enough detail to mean that player choices in terms of tactics and weapons mattered. The issue with Cyberpunk’s conflict systems, really, is that combat is much more ‘baked’ than the other conflict system, netrunning, and the only semblance of a social conflict system is the ‘facedown’ mechanic, which is one die roll for one specific situation.