But that's a cop-out. It's like saying "No use shutting down Megadownload because people who steal are simply going to steal it somewhere else" or "No point in building a border wall because people who come here illegally are always going to find a way to do so." There is literally nothing one can propose doing about anything that can't be answered with that.
"Copout" or no, you knew very well the argument I was making, and that it didn't imply callousness about people dying in a terrorist act. I was implying that they would die in either scenario.
And indeed they would. Do you really, honestly believe an organization as well resourced, sophisticated and tenacious as ISIS would in a million years call off an intended attack because the US had stopped taking refugees and hence one intended method of getting into the country was foreclosed? Why would they do this when we have a 4000 mile essentially unguarded border with Canada that anyone can basically just walk across? This is not even mentioning the three other methods which could be used. It's just the easiest one.
Look at the situation with the Paris attack. That one attacker who entered by posing as a refugee, had France decided to take no refugees, could have just gone to Germany, who had taken in over a million, instead, then walked across somewhere at the 350 mile Franco-German border, which as I understand it, isn't terribly difficult. So even if that particular attacker was absolutely necessary to that attack and could not have been replaced by anyone else, he still could have gotten in quite easily using a different geographic approach.
Your analogy with shutting down a piracy site doesn't hold because the behavior of people who pirate download is a tad different than the behavior of a militant group like ISIS. Many people who pirate download will do so when it's convenient and the opportunity presents itself. If one site is closed, they may find another, or maybe not. They have a motive but their incentive is mild. By contrast, a group like ISIS is not going to be deterred if we make it just a little harder. They are way too militant and determined for that. If we bust the entire cell and foil the plot, that is a major setback. Making it a little harder to get one or two people into the country, not so much.
I don't think that not allowing the refugees in will improve US security. However, when we decline to help a small number of refugees in need because we are paranoid about all Muslims, this sends an unhelpful message to Muslims world wide that Americans just don't like Muslims. How helpful do you think that is in preventing more Muslims, including those already in the US, from radicalizing? If we can promote even a modicum of goodwill with Muslims who are not yet radicalized by taking in a tiny percentage of the existing Syrian refugees, then we should do it, particularly when doing so is not really going to increase our risk.
Also, has it occurred to you that it may be better for our security to have a known terrorist approach immigration through legal channels where they at least might be caught trying to get in, then by crossing over the Canada border, or being smuggled in by some other means, under no scrutiny? Indeed, should we identify a known militant through facial recognition or whatever at our own border, we'd likely allow that person in and put him under surveillance, giving us the opportunity to possibly bust the entire cell and foil the entire plot. I'm not saying those opportunities would present themselves, but they are at least possible if they try to enter legally. Not so if they walk across the Canada border undetected.
Bottom line, I'm not sure that allowing these refugees in will harm US security a little bit, improve it by a little bit, or do nothing one way or the other. The effect is, however, likely to be small either way and it's just as likely to be a benefit as it is a detriment, if not more so.
If you've read any of my other posts regarding Islam, then you know how critical I am of the religion. I'm just trying to be pragmatic about US security just like you are. I just think your approach isn't the best for our security.