in my own opinion, i think 30% would have been fair.
Qatar tourism is growing,
Depriving residence and tourist from taking alcohol would definitely have negative impact on the tourism aspect,
the government should have take a study of how clubs and bar were always filled up before the increment, then go check it presently, sales dropping, people don't go to the bar any more, tourists don't really enjoy their stay based on high price alcohol and this will also affect staffs working in bars, clubs & QDC Bcos lows sales will definitely lead to unpaid salaries.
The government should kindly reconsider.

Thanks