Earlier quoted context omitted.
It may not even be that nefarious — perhaps they did the hack “for the lulz” then had pangs of conscience afterward and scrabbled around for a (false) excuse. In any case, the IA was in some cases the only public host of important documents about Palestinian history, which are currently inaccessible, to say nothing about how important the Wayback Machine has been over the past year.
Sounds more like they hacked it for the lulz and then put up the tweets for even more lulz. Attacking the IA to support palestine is about as nonsensical as you can get.
https://www.google.com/search?client=safari&rls=en&q=zionist...
So just to play devils advocate, since Zionism is being critically received all across the Internet - it is more likely that IA was attacked in order to censor those materials, and then a sockpuppet was created to shift the blame to pro-palestinian voices - which makes no sense, since pro-palestinian voices would want IA to stay up so that embarassing Zionist material was made more available - but such is the nature of agitprop campaigns during war time: through subterfuge and obfuscation, deny your enemy the materials it requires to continue its campaigns, and also deny them the ability to identify the cause of that material going missing, also - or, at the very least, obfuscate the actors responsible for denying it, using sockpuppetry ..