Took it down because they didn't want to take a side or be insensitive? Only shared it with friends and didn't think it would go further? The story reeks of CYA.
Exactly, it scary to wake up and see your yard full of “Free Gaza” supporters while a team of executives from Kiewit Construction are knocking at your door.
Shared with his friend Mel Gibson. A Jewish guy.
Really? I find it very believable, you make a high quality meme for your friend group. Someone decides to spread it further and now far-right people are taking it seriously when it's taking the piss out of the people involved.