Yes, he's lined in unbelievable privilege. Yes, he'll get the best care available. Yes, it is reasonable to believe and campaign for the monarchy to be abolished.
But this is still a man who has been diagnosed with cancer. For anyone, that is a scary and upsetting diagnosis and, upon hearing about it, it is only reasonable to feel sympathy for that person.
There is a lot of hate there, and someone/something must have really hurt you to make you feel that someone deserves cancer because they've had money in their life.
I hope whatever you're going through gets better, that whatever has happened in the past becomes more distant, and that today is a lucky day for you.