That's just great. Interbreeding on the one extreme and homosexuality on the other. Not much of a future there, genetically speaking. Seriously, I think a problem with these insular, legalistic groups is pride. That, and a stubborness to accept change even when it makes sense. I don't know what the answer is when a group is so legalistic that legalism becomes their religion. Often in Christianity when a group becomes too legalistic, there will be a schism and people will go their separate ways (even if to form new legalistic groups). How does one begin to tell a group of people who all originated from the same 1,000 ancestors 400 years ago that they literally ARE wrong?
The Mennonites that are extremely liberal are also NOT the ones who dress plain as I showed in my examples above. They dress in typical American modern clothing. They are more "peace and justice" types who are anti-war, into action for "the poor" and so on.
I intereviewed for a job as music director for a Church of the Brethren chuch last year. The Brethren also have anabaptist roots and some of the groups: German Baptist Brethren, Dunkard Brethren, and some Church of the Brethren churches in our area are still conservative in dress and beliefs. They would NOT condone homosexuality.
To make a long story short, my interview with that particular (liberal) Brethren church came to an abrupt conclusion when they informed me that they have a gay couple on their church board.... this was after I told them my position on homosexuality of course....