Ripley,
While I see your point that when you spend money on a product you want said product to be without flaws or defects, you have to consider that perhaps they did play test the game well enough but were on a time budget to get the game published and released to the public. I also take into consideration that perhaps it was only a handful of people that did the actual play testing. (there are 6 named people, and the FFG staff...which could be any number) When a small group plays the game with so many different interactions and rules, there are bound to be a few things that were missed or did not come up during play testing. I do not know how much FFG invested for R&D for Descent, but it wasn't much. However, when you look at Road to Legend, it was almost a full year before the game was released to the public after first being announced.
That being said...Descent is still a great game, and is played all the time by veterans and new comers alike. I personally would like to see an updated FAQ for the new Sea of Blood expansion...just to clarify some of the known issues.
As for your Overlord throwing the game, If he was not a veteran player of the game with intimate knowledge of rules and the like, then I can see how the web weapon could make the game a little dull. There are ways to solve those problems though, again, it all depends on your overlord. If you read the rules, it does state that the most experienced player should take the role as overlord.
Any complex game like Descent that is played on a board instead of a computer all comes down to how a person reads and interprets the rules. And then plays according to those rules. While on a computer, unless you find a serious bug in the programming, you cant just miss-read something...the game will just not allow it.
For a game like Descent, I HIGHLY recommend reading all the rule books and FAQ cover to cover...at least twice. At the very least to know where something is when an issue comes up.
Thats all I am going to say.
Cheers!