Same here. I just had to correct pages and pages of the plane's log book as the sums were all incorrect. I was relying on a correct time difference.
I also consider this a "not right behaviour". Though, I can understand the other argumentations but so far I have never seen this concept in the real world. Usually you would want to log times based on the difference between start and landing times. Not rounded on ms level.
So maybe it would be an option to get this as a setting. Then both parties would be happy?
I would definitely opt for the time difference option as I cannot see any use in rounded ms calulations.
Thanks!
Boris