Let's be fair, Jihadi terrorists probably don't know which platform is actually secure for their terrorist operation (none of them is, actually). They could've

Let's be fair, Jihadi terrorists probably don't know which platform is actually secure for their terrorist operation (none of them is, actually). They could've used WeChat if they were able to register an account for themselves. It's simply not a good metric. It's the same reason why you don't want to measure someones kindness by comparing it with Adolf Hitler. "Oh I have such good neighbor, he is the completely opposite of Adolf Hitler", it just don't compare very well.