Then you know nothing about Israeli people.
The facial expression are real. Their faces does light up when they talk about killing us. I've seen this with people who said this to me in my face. The words and the lips does match. I speak the language and I can tell.

But you're also welcome to check with any video expert about the background. I'm not sure why this is the important part, but you're welcome do to so.

The translation is correct to some point. They failed to translate few things correctly such as "to fly them". The real term is to kick them out. And to "disassemble their mothers", the correct term is to "f their mothers" it's not sexual, but usually it means to beat halfway to death.