I remember one year in the early 80s, my dad was promising our family a VCR for Christmas. I was well aware of all they could do, recording stuff off-air for later viewing, etc. a handful of stores in the area had rental movies and I was excited. He came home one night, told us he went to his buddy's electronics store and found something even better than a VCR, and presented us with a videodisc player the guy had talked him into. They only place we could find rental movies was - surprise - his buddy's store and the thing kept breaking every few months where it would just sit there and not play. Each time they told us it needed a stylus replaced. The first few were under warranty, but once that expired and they wanted to charge as much for the stylus replacement as the thing was worth, finally my parents dumped it and bought a VCR.The RCA videodisc system was an incredibly dumb move. That system was in development for a very long time, and during the time it was in development, the market changed drastically. When RCA first started early development their videodisc system in 1964, EIAJ Type 1 black & white reel-to-reel videotape systems hadn't yet come to market, let alone VHS, Beta, and the Laserdisc formats. By the time they released it to market in 1981, multiple videotape systems had come and gone, but VHS and Beta were already pretty well established. It seems that the primary reason that RCA continued with development and marketing of their videodisc system is just sheer inertia and an unwillingness to admit that they'd sunk a bunch of money into something that was obsolete before they ever sold a single unit. The problem with RCA videodiscs is that they looked no better than a VHS or Beta tape and you couldn't record with them since it was a playback only medium. And if a customer was okay with that playback-only limitation, they would choose the Laserdisc system that produced better picture and sound and wasn't subject to wear.
The interesting thing is that when it came to market, most video publications assumed that it would be a success simply because RCA was backing it. They were wrong -- it fairly quickly bombed, and in the process cost the company well over a half billion dollars.