The trouble is, there are not many in Israel, Palestine or for that matter around the world who believe it.
Credibility is a resource more valuable than gold.
Like gold or oil, it is a non-renewable resource. Should you squander your credibility, you'll be left without. There is a simple way to measure the value of credibility. If Netanyahu's disclaimers were believable, we would not be living in fear of an act of revenge at this moment. The Arabs would accept the government's statement, end of story.