1. I think McCain has every right to say or request whatever he wants.
2. However, when someone is on their deathbed, they do have a sort of "immunity to criticism", giving them magical powers to say almost anything without fear of a rebuttal.
He's quoted saying pretty harsh things about Trump in the article, and he knows Trump has to remain silent, or receive even worse criticism from arguing with a dying man.
3. And the media, being the darlings they are, seem to be doing everything possible to broadcast a dying man's anger, and elicit a damning response from the other party.
4. In a nutshell, both of these men have aggressively gone after each other in life, and it looks like it will continue in death... and the media is doing everything in their power to make it all as ugly as possible.
Lovely isn't it?