The laggy UI is what irritates me the most. I do not have a smart TV, though I do have a cable box, and there is no excuse for an interface to lag in [current

The laggy UI is what irritates me the most. I do not have a smart TV, though I do have a cable box, and there is no excuse for an interface to lag in [current year], or even for anything in the past 20 years, which serves to merely display a list of program listings. It's frigging text! Built-in vehicle interfaces are also perennial offenders.