Most of these didn't make much money. Star Trek and Star Wars ruled the SF roost in those days, clean ships, clearly defined enemies, no hard decisions.
You can't look at the last 25 years without looking at the years before. Trends tend to be a reaction to other trends. Shiny-happy-future bored a lot of people, some of them writers and directors. Alien started the rebellion against that kind of SF, but it got legs and a brand when Neuromancer came out.
>>You can't look at the last 25 years without looking at the years before. Trends tend to be a reaction to other trends. Shiny-happy-future bored a lot of people, some of them writers and directors. Alien started the rebellion against that kind of SF, but it got legs and a brand when Neuromancer came out.<<
Don't forget Blade Runner . .