Ok, true, in that sense, it's fine. However, in 100% of cases I have observed so far (and they were far too many), it means that the person who gives such a res

Ok, true, in that sense, it's fine. However, in 100% of cases I have observed so far (and they were far too many), it means that the person who gives such a result used sqrt(counts) as the error estimate, and that's not correct -- not only for the upper bound, also for the lower bound.