Why are the programmes on cable and satellite tv so awful?

Ancient and creaking sitcoms, detective programmes and nature ad nauseam, all repeated over and over as is the case with the golden oldie films shown. vintage 140." Chips" "Knight Rider" "Starsky and Hutch","Buck Rogers" "Open all Hours" "Last of the Summer Wine" Porridge"--- all great in their days 30 years ago,but now? In case you missed them here come Jessica Fletcher and Columbo over and over and over. Are we being ripped off?