Because there wasn't any new credible intelligence in there even per the U.S., which is no friend of Iran [1] and because Israel has been rehashing the same shit forever now.

> Is that evidence fabricated, and if so how do we know that?

It is generally up to the party offering evidence to prove its authenticity, not the other way around.

1 - https://www.nbcnews.com/news/us-news/netanyahu-s-info-iran-n...