Whilst this is undoubtably a terrible take it should be pointed out that this is an article from 2010. I don’t think it was a good take then either but it is important to point out the context in which it was written.

Here is a link to the full article: https://www.marxist.com/against-blanket-boycott-israel-working-class-solution.htm

Sectarianism kills movements comrades. Anecdotally having been on marches and actions in London over the past month both Socialist Appeal (the local IMT branch) and the SWP have had a huge presence in support of Palestine. We must remember first and foremost to focus on solidarity and action in support of our Palestinian brothers and sisters, not on ideological purity.