Why does a trailer for a HD film or programme still look better on a normal tv are we being had?

Question

Why does a trailer for a HD film or programme still look better on a normal tv are we being had?

Answer 1

CRT tvs have been around for years and have reached their peak of performance, lcd/plasma is still in its infancy in comparison, as technology continues to be perfected we should see better gains per pound

Answer 2

not really have you seen a a trailer for a film on dvd on a lcd screen or a plasma they are so much better than crt

Answer 3

Only if 'we' let ourselves be had.