Ok, so here are my thoughts. And if anyone has experienced something different please post below so we can gather info. After hitting the 90k bug after a dc in a later story solo instance, it got me thinking. I think in SE trying to patch up the instance server with the rauban and pippin congestion, something got tweaked in a wrong way.
Those of you who are stuck after susano dc, i believe its not isolated to susano and is actually in face a cause from dcing in an instance period right now. In my case, like others, everytime I make it through the queue I get 90ked. Like I said above, i believe this was caused by something they tried to implement with the servers. Does anyone else have anything constructive to add or do your circumstances pretty much line up with what I said here?