Ah, the good old days patiently waiting for the hammy sci-fi story parts of Emmanuelle in Space to end and a boob to pop out.
Then the premium channels started showing 10 minute previews on the hour and it's all downhill from there.
Funnily enough though, whilst still online, the previews of clips that use GIFs and written descriptions increase the rate of consumption in a way because you can properly narrow your search and flick through many more options than you can having to load a streaming video in a new tab or whatever.
But yeah, as with most things, it's not the thing itself that's the problem but the lack of awareness of one's true motivations. Drugs can be good, porn can be good, but trying to replace something vital with either can be a slippery slope.