I'm not against the movement of people from one place to another across the globe.
What I am against is groups of people with ridiculous belief systems and world views moving to places that don't share those views and trying to impose them on others . That only leads to conflict.
You have a point Walter. People from all over the globe, with diverse cultures and religions, have settled here for a very long time, without even thinking of imposing their beliefs on anyone else (unlike others, eg the 'British', who frequently did - but that's another story). They've been content to live their lives, peacefully co-existing and assimilating. Would that it would stay that way.
Sririam, there must be guidelines about how many immigrants can be accommodated, every country has a saturation point. I don't think anyone would argue with that. However we have to find room for those in fear of being persecuted and killed. The plight of the Muslim Kurds in Syria and the Yazidis in Iraq, for example, is appalling.