AST has a bad wrap from the nerfed launch in 3.0, so not only are there fewer being used in top tier statics due to people being comfortable with the tried and true duo, but there's still a lot of hesitation to use the job due to past performances. I wouldn't be surprised in SE took this into consideration when balancing mechanics in 3.2 to try and have AST utility shine at least a little bit. But even in situations where the hardest mechanic is DF players struggling on new mechanics, I've been very impressed with ASTs ability to power heal through all the NM stuff at the launch of 3.2. Farming Midas in DF was so much fun when you can compensate that much for derps and deaths