I fly coach quite frequently and I HARDLY EVER end up touching the person next to me.
If Its a problem, Its a problem even If usually not
So don't walk in NYC or take a subway because usually you don't bump into anyone.
http://www.dailymail.co.uk/travel/travel_news/article-2891081/Delta-Airlines-flight-New-York-s-JFK-Airport-delayed-ultra-Orthodox-Jewish-passengers-refuse-sit-women.html"DELTA flight delayed after Orthodox Jews refuse to sit next to women..."www.drudgereport.com
Separate heterim for that although im pretty sure these people stay away from that anyways
I don't define chillul Hashem as the Daily Mail looking down on a practice. They look down on most of our halachos and minhagim--just it doesn't usually make the news.
Again.. This issue ain't gonna go away unless the airlines let travel agents or users buy blocks of seats/rows.
Throw their you know what in jail and watch how quickly it ends.
& have stories all over the place of the airline being accused of anti-semitism ? Ain't gonna happen
That card like many others get overplayed
and becomes worthless.