It's very simple for beginners, once you have an idea of what it can do there is nothing stopping it from being useful in many areas that I needed help with as well (not just data aggregation).
The UI could be improved by adding more colors/icons so users don't get confused when things are hidden away or hard to find at first glance etc but this may not really matter if they're working properly otherwise! Using these tools effectively has allowed me great success within my team which we were unable to achieve using traditional methods alone - now our managers love us because everyone knows their reports are up ready before 10am every morning without needing constant reminders :).