Steering rack depends on the suspension and road condition. If always drive on bad roads, the suspension will give way first then only the steering will follow.

EPS more sensitive because it is just an electric motor, wiring and sensor. After months of abuses, the motor will fail. Cars with EPS should only be driven on good roads like highways for example.

Those with hydraulic power steering will better luck as such outdated tech can withstand bad roads easily. Just ensure u check for oil leaks and belting.