https://indico.cern.ch/event/587955/contributions/2937853/at...
And looking at the screenshots from the article, it looked nothing like that. Like a totally different application. I guess the banks have over customized it? (Though interestingly the Snow instances looked very similar to each other at all places where I used it)
I don't envy developers who need to work on this, but IMO the best systems I have worked with have a very shallow tree and then a "human will work out the appropriate team to route to".