Reporting comes with it's own failures, lack of truth, sins of omission.
It was reported Frogmore was a wedding gift from the Queen, really it was a gifted lease (terminology). Eviction is probably the wrong term also.
Many true and false items have been reported. We'll never know the truth on much of the minutia. Much of what Harry claims can be dug out/sourced for people to see headlines are false, many true.
The tabloids are very much part to the problems, as Harry purports.
I suspect only King Charles knows what is to be with regards to the housing needs of Harry, Andrew, Edward, the York girls, and all other RF in future. For sure we should all know, by now, he can't give away the Crown Estate - the Queen could seemingly give away Amner. Fair to all grandchildren? I think not. The RF have a long history of never fair or equal.
Myself, I'd not remove Harry from Frogmore. To what end? Rather like removing one of your children from your will, the ultimate act of not showing unconditional and equal love for all your children.
None of these people will be asking my opinion; if I were Harry, I'd have silently walked away and never looked back.