such a personalised message may take quite some research and, no doubt, legal knowledge.

Have you seen cameo? It doesn't require any "research or legal knowledge" on your part, nor on his. This is a freelance website for celebrities. You pay a celebrity for any message you want them to say to someone (within reason of course, and they can refuse). You can pay Giuliani to wish someone a happy birthday on your behalf, a happy recovery for their puppy's broken leg, or a happy bar mitzvah, or whatever.

As the article says,
"Trump Jr. is among the pricier personalities with $500 for a message. His girlfriend, former Fox host Kimberly Guilfoyle, is also on the site charging $200 per message. "

such a personalised message may take quite some research and, no doubt, legal knowledge.

Have you seen cameo? It doesn't require any "research or legal knowledge" on your part, nor on his. This is a freelance website for celebrities. You pay a celebrity for any message you want them to say to someone (within reason of course, and they can refuse). You can pay Giuliani to wish someone a happy birthday on your behalf, a happu recovery for their puppy's broken leg, or a happy bar mitzvah, or whatever.

As the article says,
"Trump Jr. is among the pricier personalities with $500 for a message. His girlfriend, former Fox host Kimberly Guilfoyle, is also on the site charging $200 per message. "