If (a big 'if') this is racism, it is the result of years of Arab-Muslim racism against Jews. They bring this upon themselves, by threatening t destory Israel, to throw the Jews into the sea, by swearing that no Jew will ever live in Palestine - and then cry "racism" when Israel responds. Jeez! Make your bed and lie in it.
Israeli troops shoot, injure Palestinian crossing Gaza border fence (Haaretz)
from the article: Israel’s distinguishing between Christian and Muslim Arabs is racism