It absolutely can be removed, however it won't. The forum doesn't, and should never, limit other users' free speech - even if what is being written is blatantly incorredt.
People often make their decisions based on Google results. If by free speech you mean "vilifying in order to destroy one's business" then I'm simply astounded. I'm all for free speech if it's civil, polite and respectful. That's not the case though.
99% of people won't read past the original message to find out that this topic is falsehood.