It's because people here are overwhelmingly idiots who have very little grasp of reality.
Refugees have rights under international law, you can look up the International Covenant of Civil and Political Rights. Its part of the Universal Declaration of Human Rights. It has 168 parties/nations agreed to it, and more agreement to it. Basically the only countries that haven't signed it are Saudi Arabia and about a dozen or so, let's say, small / not important countries.
Refugees have rights to not be returned to countries if their safety can't be assured. They have a right to be treated as citizens if given refuge, and they cannot be penalized for seeking refuge.
For the retards on this website, they call that cucks or being supporters of child rape to the particularly stupid among us. Like all 168 nations that signed this are all cucks and supporters of child rape. The moral argument goes back to its origin which itself goes back to post world war 2 when the leaders of the world sat down to make an effort to have a system that would avoid a repeat of humanity's darkest chapter. Things like the MS St Louis where Roosevelt was told not to be a cuck and to refuse to take in a boatload of Jews, some of whom went back to Germany and were slaughtered.
Besides the legal and moral issues, there is the logistical issue when dealing with a mass influx of people. It's amazing how any drop of compassion to refugees can be met with such over the top derision, and no understanding of the actual logistical issues of stopping refugees without jailing them long term. "Just deport them" is not logistically easy. You would think its a matter of time before someone makes a recommendation to gather all the refugees and air drop them using every cargo plane in the world into the middle of Aleppo so they can get shot with weapons paid for by their tax dollars given to "moderate headcutters".