This is journalism malpractice. Without any facts the author is trying to link this to the muslim travel ban. Everyone involved says its unrelated.
If the Trump administration did something wrong the facts will come out.
It's related in that it's just another example of how restrictive we've become since 9/11. Not only was he rejected, but without any given reason. The secrecy itself is enough to question whether he would have been rejected if it were still the Obama administration.
This has nothing to do with the travel ban, but it is about the author of curl. (Though referring to Daniel as a "Mozilla employee" is, I don't know, demeaning almost.)