JIDF turned out to be one guy. That was a sideshow.
This article is from Hareetz, which is a major newspaper in Israel.
There's a huge, organized Israel lobby aimed at the US. It's no secret. There's AIPAC, the American-Israel Political Action Committee. "Lobbying for Pro-Israel Policies", it says on their web site. There are official organizations in the government of Israel which do "public diplomacy".[1]
https://en.wikipedia.org/wiki/Jewish_Internet_Defense_Force
https://www.youtube.com/watch?v=DWD5xiiafBc
it's prudent to assume such operations are still ongoing