But that's not the argument.
The argument is about if the policy put forth by Trump&Co make sense given the data. To ONLY part of the data for policy decisions makes no sense.
Consider this:
Immigrants and refugees commit crimes at lower rates than others. http://www.migrationpolicy.org/news/us-record-shows-refugees... https://www.cato.org/blog/immigration-crime-what-research-sa...
Comparatively, what is the threat of terrorism: http://www.businessinsider.com/death-risk-statistics-terrori...
I cannot speak to the vetting process for allowing refugees into European countries, however the current vetting process is a lengthy 1 1/2 - 2 year process. https://obamawhitehouse.archives.gov/blog/2015/11/20/infogra...
Do our policies make sense: https://www.theatlantic.com/international/archive/2017/01/tr...