Assuming you mostly mean as a preference for movie/tv content, then yeah, no.
Obviously there some things still distributed on DVD (software/games), and if you're using optical for storage (DVD-R) then it makes more sense than a CD-R (though for backup they're still tiny - relatively speaking - my photos alone are ~100GB)
I actually have a hundred or so DVDs we've been _giving_ away. Sold about 50 or so at a garage sale several months ago, dirt cheap (3 for $5, some boxed sets like the Sopranos for $20 for all, like 7 seasons, mint), but we had a ton left over so when the opportunity comes up ... freebies!
I always wondered about collectors though, most collectors usually collect for the long run (decades). I wonder what will they do with all their DVDs and Blurays if players are no longer built (or wires change, almost all DVD players didn't have HDMI until 2006).
I stopped even buying BD and just been scoring movies on digital sources (iTunes, Google Play, did a couple of rounds of Disc-to-Digital on Vudu). Just tired of storing "stuff" combined with finding the disc, firing up a player, dealing with warnings/previews/etc. Hold Siri button, "
Play Christmas Vacation", done.
Some people are in older tech believe it or not. I talked to a guy who still fixes Betamax machines!!
re: Laserdisc, I still have a player, fairly high end Pioneer, and about 30 or so discs (good stuff too, some Criterion Kurasawa, specials editions of Aliens, Raiders, T2, some anime, etc.) I haven't fired it up in years, a buddy of mine was going to take it, he's sort of a collector, we never connected.