Everyone who is critical of Israeli policy is deluged by crazed messages intended to flood their email system or, more insidiously, passwords are accessed and messages sent out under their name! I'm sure it's illegal. It's also an effort to undermine free speech.
We're human beings; we're not robots. And face-to-face contact is something totally different than typing a text message and then forgetting about it.
The corporations plainly want academic scholarship to create a web of mystification that will avoid any public awareness of the way in which power actually functions in the society, and the faculty has caught the message and they do it magnificently.