According to astrophysicist chronicles battle over Pluto why did Dr. Tyson decide to exclude Pluto from the exhibits of planets?

The answer to this question is quite hilarious yet true, in Astrophysicist chronicles battle over Pluto Dr. Tyson decided to exclude Pluto from the exhibits of planets because:

Americans associate Pluto with the Disney character of the same name.

Most Americans Associate the Dwuarf Planet with the Dog Pluto.

Answer: he thinks Pluto is a comet because it's mostly ice by volume

Explanation:

Tyson started noticing that Pluto was different from the other planets in the 1990s. At the time, other ice bodies were discovered in the outer solar system that looked similar to Pluto. Those bodies were also like Pluto in another way: They crossed orbits. Tyson says Pluto was the only planet whose orbit crossed the orbit of another planet.