Is there a reason why Krosus logs during the Aluriel encounter are valid?

Theresmyshoe May 15, 2017, 2:01am 1

See the following log:

https://www.warcraftlogs.com/reports/TnX1pR9ZhwGymgHW#fight=23

Topic		Replies	Views	Activity
Bugged Krosos log Warcraft Logs	0	528	March 13, 2017
Krosus Kill recorded as wipe Warcraft Logs	0	479	April 12, 2017
Krosus Log not registering kill	2	840	February 22, 2017
Legit Skorpyron Logs Invalidated? Warcraft Logs	4	2193	January 19, 2017
Possible exploit on Heroic Krosus logs Warcraft Logs	1	853	February 8, 2017