From Roger Waters’ Facebook page:
Update: Screenshot inserted since he removed the references to Amex and Citi
Roger, you Do need an education.
“As the leading international financial institution in Israel (“the startup nation”), it was something of a no-brainer for us to open an Innovation Lab in Tel Aviv.”
And Amex also has a presence in Israel.
So if you are going to do this boycott thing and encourage others to follow your evil ways, DO IT RIGHT.
Perhaps you can encourage those wanting to buy tickets to send money via carrier pigeon.