The problem is you're speaking from a (naturally selfish) player point of view. For you, what should be prioritized is what affects you. Fel Iron? Yes, it's frustrating, but it still affects just a portion of the players. You don't have the global view of the project as a whole that Developers do, both for what is requiring priority in fixes, and for what fixes are dependent on other fixes that players might consider "unnecessary" or not even notice that were implemented. Beyond that there's the fact Developers have their own fields of expertise or assignment. If just one Developer is able to check and fix the spawn tables, but he's deep into another part of the project that is more important overall - even if you disagree - Fel Iron nodes will have to wait.
Whether you want to understand/believe that or not a) the Developers are working, even if not on what you want them to; b) the Forums aren't a place to complain that your pet bug isn't fixed; and 3) disrespect towards their work because a player can't wrap their brains around how complex development is isn't tolerated.