I'm asking my self the same question @pablocruz23. Original thread is from 2012, we're in 2016 and this isn't fixed in Axure 8 beta.
I believe Axure is primarily meant to cater to large organizations that aren't concerned with speed of execution. Therefor, I believe this is reflected across Axure as a company and a product. It does some things well, but it doesn't excel at anything in particular. The overhead is always too much for too little in return and this is a vicious cycle to be in as a designer if you’re looking to better yourself. You have the impression of getting better at something, but you’re actually putting time in learning the complexities of bad design.
I’ve transitioned to other tools and greatly limited my usage of Axure. I'm very happy I made that decision!