I think the security issue is a non-issue, and there’s no way to “solve” it without creating greater problems and degrading other people’s rights.
The truth is, she doesn’t give a flying fuck about the consequences of her wealth getting. In some ways she is opposed to the right wing noise machine, but she is still acting as though she’s entitled to special treatment from the government including extra rights just because she’s rich.
She only decreased the number of private jet flights she was taking, and decrease the number of private jets she owned because of the public pressure. Her security is not more important than the environment.
She volunteered to take the heat off of Elon. I don’t know why she would do that, but she definitely volunteered for a lot of negative attention when she decided to target a private citizen doing something they are legally entitled to do and use her money to intimidate them out of exercising their rights.