Thanos Thanos:
Trump being minorly correct by accident every once in a while still won't be enough to save his presidency.
$1:
Police spokesman Micky Rosenfeld described the suspect as a hacker, but said his motives were still unclear. Israeli media identified him as an American-Israeli dual citizen and said he had been found unfit for compulsory service in the Israeli military.
Bolded the parts that help indicate the 4Chan/Reddit possibility still remains intact because "hacker" and "physically/mentally unfit" defines those pathetic mothefuckers to a T.
I don't know...let me try the bigoted guess thing. How do you like this one?
They still haven't given the guy's name yet. They only tell us he's an American-Israeli citizen. What else can be citizens of Israel besides Jews? Could Coulture's rule apply here?
Yes the CBC says "Jewish", but other than the "Israeli" thing they offer no evidence.
Here's what he looks like by body type.

Just between you and me though, I suspect he's most likely a Jew.

But to be fair, although I wouldn't be surprised to learn he's visited the sites you mention at one time or another, I doubt they define his identity either.