I agree - and originally it was never going to be in the stadium anyway. However The FA held a Q&A with travelling fans and a representative from the Qatar Supreme Committee did say this in October:
Question 7:
“Naturally, alcohol is a big topic. What can you tell us about the access fans will...
Question doesn’t really match the reason .
Can I live with drinking before / after a game - but not having a beer at a stadium. Yes
Could I regularly not drink at all at any point on a match day, possibly but wouldn’t be my preference