Personally I've never seen a "pro-Hamas" sign, I have no doubt someone somewhere has one. Ive seen plenty of "Free Palastine" signs be called anti-semitic though, despite showing support for the people versus a government.
That "River to Sea" phrase has a very sinister and evil meaning when you look up the original Arabic. Translations are always polished for mass appeal!
I see Jews being harassed, synagogues vandalized, 4chan-tier anti-semitic conspiracy theories going around leftist circles, and more broadly I see social media armchair activists who may or may not be relevant but do affect public opinion parroting Hamas propaganda wholesale, and the protesters featured in this post's article exemplify exactly that mentality which is what I was initially describing. Most people are reasonable, but I'm not concerned with people who know the difference between a hot war and a genocide.
When I see aid trucks being attacked by the army but also by protestors while the UN declares millions of people at risk of starvation, I know we are past a “hot war”.
As far as I know, friendly fire and collateral damage are a reality in all hot wars, especially in situations such as this one where one side attempts to blend in with civilians, so I don't see how this is different. The good and bad of the Internet is that in the sea of information you can pick and choose your truth. Was Israel's killing of aid workers intentional or was it collateral damage? All I know is that Hamas was shown cooking up numbers and lying systematically and that's the side everyone believes for some reason. When their lies are exposed they are simply replaced with more or with some disproportionate criticism of errors committed by the IDF.
I read /pol/ occasionally like I read far-left commentary and I can assure you that they portray Hamas/Iran/anyone aligned against Israel or openly anti-semitic as a gigachad. If Jews were wiped off the face of the Earth then sure they'd pick a secondary target, probably Muslims.
Then you're blind. I've not seen a single person at these protests where I live supporting Hamas. The protests are all about stopping the murdering of innocent civilians. If you take that as a statement for Hamas, you're the one conflating these two things and the problem is entirely in your head.