(1) allow me to start with this one: "Even at the time, The Zionist leadership denounced the massacre." - Israel has a history of first saying sorry and later making a full investigation - to add to this, at the time, there was no real intention at letting the arabs think that jews are cute and nice people - to remind you, jerusalem was under seige and convoys were being shot at repeatedly. both sides were involved in spreading that 250+ died. this does not negate the current general belief to the event which is very controvercial.
(2) there's allways been israeli counter opinions - that's what's so great in democracy - however, they do not constitude "the israelis" the same way that people like "walid shoebat" does not constitude "the palestinians" - if it's a matter of semantics, than i suggest we say "the villager palestinians" and "the etzel and some isareli historions" or something close... personally, i preffer my previous phrasing.
(3) i'd be happy to hear who are these many israelis - prefferably with serious links their conducted research method and accounts of the battle - to validate that they are not groups with mainly arab-israeli supporters.