IMO, there are two main reasons to get into LD in 2015.
1) you are a huge fan of something overly well represented on LD, such as anime from the 70-90s, open matte transfers, Formula 1 documentaries, or terrible music videos.
2) you like movies in general and you live somewhere where you can easily pick up hundreds of LDs for like $1 each.
Unless you are in one of those groups then LD is usually a scene comprised of collectards, junk hoarders, and "indoors kids" obsessed with obsolete formats.
I got into LD because it was the format to buy anime on 20 years ago. That's the main reason I'm still into it, but I also like more obscure movies, from Kung Fu to Criterion, and if you live in LA or someplace with an actual economy the Craigslist postings often have people dumping MSRP $10,000 worth of LDs for $40. It's a great way to get a film education fast and cheap, and many of those titles haven't been released since.
If you live in like Possum Pouch Arkansas then any LDs you happen to find are probably just going to be Speed, 007, Hunt for Red October, Forest Gump, whatever. With the $1 bin at Walmart being what it is, I don't see any reason to watch this common stuff on LD.