Did you actually read that article? It doesn’t make the point that you think it is making. Of course writing Mickey Mouse is a wasted vote. Duh! And it says “often” not “always”. “Often” does not even mean “half the time”, and is still not as much as “frequently”.
I did read the article.
Unless the person who wins the primary DIES, no ‘write in’ candidate vote will be counted.
IOW, the Mur’cow’ski trick won’t work here.