and yes, it's perfectly fine to protest people you don't like politically but she made it clear the protests wouldn't go on if the property was sold and she got money out of it. She wasn't doing this just for ideological reasons, she was doing this for financial gain, that's blackmail.
Of course she must be doing it for financial gain, right? 
The anti-semitic subtext here is so glaring it's more like anti-semitic text.
Gersh "offered" to be the realtor in the transaction and Gersh "suggested" and that Spencer's mother give any money she made to a charity Gersh is on the staff of.
