I would extend that to the number of crap [insert favourite Star Trek series here] episodes they've filtered out, nostalgia leaving them with only the best of the best.Agree. The reason some people perceive 'new' stuff is more crap than old stuff, probably is because most of the old crap already has been filtered out by time and subsequently forgotten. The 80's had just as many lousy TV productions as today.
Also, of course, it's possible to be 'left behind' in your tastes (i.e. you don't embrace the new styles of storytelling that develop, such as for example the much faster pace of today).