They view their Belief System (BS) being put on the same plane as other mythologies, new or ancient, as somehow being “persecuted”, since they are so used to having unwarranted privileges.

They’ve seen that unwarranted privilege being chipped away, ever so slowly, as xtianity dies off in number of adherents in the United States (dwindling down to 60-some percent, now) - trending toward what more normal advanced countries of the West are like, and they fucking hate it. They want everyone and every part of the culture to have them up on a pedestal again, even if it means violence, and a lot of it, because “Jesus”.