Maybe it helps, Bibi's been in power for a billion years, new blood doesn't destroy the party. As for his views and actions, support or oppose?
The polls show that the party's support cuts in half with Saar at the helm rather than Bibi. So your argument is not right.
Bibi has been in power for a billion years but he still gets 30+ seats in every election. So why fix what aint broken? Unless of course we need to take power for ourselves.
I know Bibi isn't ideal from a rightwing perspective, but he has drifted more to the right over the years (more anti-P state than he was) and I'm worried about what Saar or one of the power-grabbers (Like Shaked) would do in power because they don't even TALK the way he does. And bigger problem is creating an opening for the left.