There's no negative consequence to just signing up for TrickAJournalist; only a negative consequence for attempting to sign up for Highrise while already having signed up for TrickAJournalist.
Someone who just literally wants to "trick a journalist", once, might sign up for TrickAJournalist; but such a person has no reason to also to use that same email address to sign up for the B2B CRM software Highrise.
Someone who wants to send knowingly-spammy bulk emails while purposefully dodging spam filters, would sign up for TrickAJournalist (which claims to be exactly for that); and also would sign up for Highrise, since it has bulk emailing capabilities and likely also has positive spam-filter cachet from all the legitimate uses other companies put it to.