Lost was a show that was incredibly fun to watch as long as you never actually thought about it. The more you thought about it, the more you realized none of it made any god damn sense. I realized that very early on so I choose not to go down the road of ever actually thinking it was going to connect.
But the producers of that show when you see what they were constantly saying before and after the fact on all manners of things is enough to get you mad even if overall you liked the show. It's really unbelievable.
I wouldn't go that far. It
was fun to think about and theorize/guess about what was coming next. I don't mean just on a macro "this is what's gonna happen in the very end" way (which I rarely did), but moreso the episode-to-episode/season-to-season "man I wonder what's gonna happen to x...oh shit remember y, what if that plays a part in z etc etc" speculation.
After awhile it became clear the show wouldn't answer most of the questions, but even that realization didn't stop me from being disappointed in most of the last season. There were some top tier episodes but overall it fell flat.
Overall the strength of Lost wasn't the plot, end game, etc. It was the characters and characterization. They really nailed it by creating a very large cast of characters worth giving a shit about, each of which had differing personalities and motives. One of my favorite things about the show was the power struggle between Jack and Locke, and how other characters became kingmakers. For instance you knew whoever Sayid helped between those two would win out. Or how they'd try to get Hurley on their side to influence others.