You were asking why NPC Hydra agents didn't track their stolen car. With only Agnus, Radcliffe, Mace, May, Coulson, Mac and Leopold playing then once contact from the Coulson story ran it's course why continue?
The Framework isn't a game, it's a simulation. It's the entire world recreated in detail, with a few alterations to its history but otherwise functioning as if it were the physically real world. That's what simulations are -- models of how a real phenomenon would unfold given a set of initial conditions. Radcliffe wanted the Framework to be such a perfect emulation of reality that it could literally take the place of reality and allow everyone, the entire human race, to live out full and happy lives within it. So it's not as limited and artificial as a game. It's more like the ultimate open-world environment, like Second Life or whatever, where the goal is simply to live life, and the world unfolds organically rather than based on some specific script.