The jump from dvd to blu ray isn’t marginal though at the tv sizes I assume we are all at now? DVDs look bad on my tv and I get really disappointed when I notice that’s all I have of that movie.
DVD is fine for me. honestly when I’m watching something without a high def reference to compare to probably helps. DVD is clearly not as good. At this point I’m more interested in the quality of the content.
Personally, I agree. My girlfriend often watches DVDs on our 50" HD TV and I don't understand why she does it because the quality is so bad. For a lot of people it's good enough apparently...
But to my point, this is really the only benefit of DVD to Blu-Ray - a sharper image when viewed on a large HD TV.
VHS on the other hand had noticeable visual artifacts and would degrade with use. They didn't feature all of the extra DVDs had like subtitles, director commentary, and other extra content. They had no chapter selection / skip. VHS tapes were bulky and difficult to store. It was just an inferior format to DVD in so many ways.
On the other hand I think you can argue DVDs are still perfectly fine when viewing on smaller TVs.
To me, DVDs look acceptable but bluray is perceptibly better. I do prefer the bluray, but not to the point where I'll pay appreciably more for them. 4K on the other hand is a complete fraud, I've tried about a dozen but I haven't seen any I would prefer over the regular bluray.