It's a reason not to re-watch or even talk much about or recommend the show. Compare to something like Babylon 5 (plotted out well in advance) where a rewatch is rewarding because now you see extra significance of so many more early things. It's the complete opposite - everything interesting is now LESS interesting.
The enjoyment is capped at the initial run; a better-plotted show rewards you much more over time.
Let's not pretend Lost didn't explain anything. There were certainly plot holes, but there's also a ton of concrete explanations and information you get but don't have at the beginning of the show.
I mean, two of the biggest: smoke monster and hatch.
The enjoyment is capped at the initial run; a better-plotted show rewards you much more over time.