In Germany, you can’t currently deport anyone just for expressing extremist views. However, recently there were demonstrations in Hamburg where about 1,000 people marched to advocate for a caliphate and Sharia law in Germany, which led to a public debate about exactly this. However, this isn’t about Palestine but about anti-constitutional extremism. Some state interior ministers are now advocating to explicitly outlaw this kind of islamist extremism, potentially paving the way for easier deportations for those advocating for a caliphate in Germany. Here’s a german article on the topic.
Reality is a lot like Team Fortress 2, but you can even buy hats for tanks