Are digital instrument displays reliable?

Are there big problems with these new TFT SCREENS in the instrument binnacle in terms of reliability? In particular the Clio?

Why does the clock in my Hyundai keep going wrong?

I have a 72 reg Hyundai Tucson and the time and date on display, for no apparent reason, are incorrect. This has happened lots of times, and when I mention this to the Hyundai dealership, they say this...

My MINI Cooper S 2014 central display is not working, is there a fix for this?

I have a 2014 Mini Cooper S. The central display opens, moves to the main menu then goes blank. This cycle then repeats ad infinitum. In the short period the main menu is shown, the radio can be adjusted...

Nissan Primera (2002 - 2006)

Different looking, but a bit smaller than a Mondeo or Vectra.