I do not see how the "precident setting' or 'slippery slope' argument is invalid.
Muslim cabbies refuse those with unopen liquor bottles, then blind people with seeing-eye dogs (the complaints are mentioned in the article). Cabbies are being accomodated, now bus drivers are being accomodated - in the second article a bus driver does not have to drive a bus with offending advertising.
It is not hard to hook up the train.
The extremeism in this case is the extreme interpretation of the Quran's verses on alcohol - As I posted before, chapter 5 line 90 - could also be interpreted as 'just do not drink before prayer time, otherwise, have fun' in a very leinient sense. Do Sunnis interpret the alcohol rule differently than Sh'ias? Arab Muslims differently than Indonesian Muslims? I do not know. But not being alowed in an enclosed space with an unopened bottle of wine seems like an extreme interpretation to me, but it is not my religion.
I have posted Quran links, which just makes me wonder how many ignore lists I am on?
I am trying to understand your side RMS. EG: I am a waiter whose religeon forbids my working on Friday & Saturday, to make up for lost income I would like more weekday shifts in choice sections - should the manager have to give them to me? Should there be one set of rules for those who work weekends and another for those who do not? I just do not think so.
The onus is not on the industry to make accomodations for you. As the religious practitioner you should know what you are or are not permitted to do and what the job you choose entails.
Personal Example - I was hired to plan confrences which I would have to attend for an association. When I was hired the confrences were during the week, however over time they shifted to the weekends - which I religiously cannot work. Should the office be forced to accomodate me? Or should I think about my career choice? Both happened and the office decided that I did not have to be present, but I am also no longer involved in planning that confrence.