I have not been a supporter of Sharon, I disagree with his policies. Real politiks, however dictates that "only Nixon could open China", only "Begin signed peace with Egypt", only "Shamir signed with Jordan", so maybe , only Sharon can make peace with Palestinians....
I disagreed with depicting Sharon as a blood thirsty beast, because he is not, he may be less "sensitive" to some issues than Beilin, or Sarid, of even Peres, but these have not been able to bring peace, so the Israeli chose a more doctrinaire leader who's philosophy is simple, unless there is a major cost to avoiding peace, the Palestinians will not come to the table and abandon their "from the river tot the sea" slogan, so he is exacting the cost, and mostly from the terrorists that chant that slogan, not from most Palestinians.
Is he right? I don't know, history will be the judge of his policy.
Zeev