I do think cancel culture is a thing but as far as I can see, it’s mainly a phenomenon used by the global right-wing against people who identify with the left, which is the opposite of what most people think it is.
I think I’d probably include Cosgrave’s cancellation in this though I do think he deserved to be cancelled for other reasons, namely it seems obvious to me he’s a bad faith chaos agent who wants to bring down liberal democracy in the west to benefit Russia and China. I don’t think he genuinely gives a shit about the well being of the Palestinian people and is cosplaying Mick Wallace style because Palestine is seen to be increasingly allied with the Russia/China/Iran axis.
I think the below is a good example of somebody being undeservedly cancelled for their views on the Israel/Palestine situation.
Meanwhile pro-Israel anti-Semites are allowed to proceed freely with their anti-Semitism merely because they are seen to be pro-Israel.