Israel's weak leadership is the reason why more American Jews do not make aliyah.
There are many choices that are preferable to Netanyahu, though I doubt that we'll be seeing any of them sitting in Sharon's seat in the immediate future.
To be perfectly honest, I think the Israeli's fixation with electing former IDF generals is becoming detrimental to the survival of their state.
No. Israel's weaker economy is the reason why more American Jews do not make Aliyah.