Spider sense: Most people who left for vacation during or at the beginning of school vacation MUST have purchased a return ticket to Doha. From my experience over several years, fares shoot up during this period. Every business entity wants to make money when the sun shines.
Just last Thursday, I went to book a seat for a return ticket to Doha during 1st week of September and got a good offer which was the same as that of the pre-rush season.
I guess your post has been mistimed, and is possibly away from the facts on the ground.