Its not about what its doing well. Its about what and where it screws up. The older you get you stop extrapolating from what you see any tool doing in the demo or marketing ppt or the first month. Just as with people. This is why we have probation periods for employee. It takes Time to see how they handle all the unpredictability. There will be screw ups. And then you write your blog post.

More complex a system gets, more issues it has. Never less.