It is a long term project that Israel is involved in. They know that sooner or later there will be a reckoning. it may be years away, but the American people will wake up. Israel want to keep their record at the UN and elsewhere as clean as possible. It's kind of like picking up points on your drivers license.
Jerusalem suburb of Even Sapir evacuated as wildfire spreads (Haaretz)
from the article: Fight to rescind Goldstone report reaches Congress