Not dominated by any stretch. But they're there. Just like they are here.
In the U.S., the trend of the military brass has been leftward for quite some time. They're becoming more PC by the day.
In Israel, it's going in the right direction.
The 260 kooks mentioned in the article are all retired. From another generation were leftists predominated.
Your description of the trends seems accurate. Israel going in the right direction, while America still drifts left, at least until now.