As I child I never believed Pluto was a planet because my dad told me it was incredibly small, so far removed from the Sun that it was coated in ice, and that its orbit was tied to Neptune.
I still don’t think it should be considered a planet. It isn’t gaseous like the Outer planets, it doesn’t host life or have a chance in hell to do so; it isn’t so close to the sun so that it’s burning hot, it doesn’t have rings around it or huge storms that last over 300 years…
Do you hear someone singing…?
“One of these things is NOT like the others”
That’s right. And guess what? There are other Solar System Bodies that are Pluto’s size! Should we count them as planets? I don’t think so. Do they do anything that our 8 planets do? No. There are plenty of things that are attracted to the Sun’s gravitational pull, floating space-rocks included. Doesn’t mean they’re planets.
And if you taught a child inaccurate information, wouldn’t you want to correct yourself? Aren’t you glad that we don’t treat people with leeches anymore, or teach that Egypt was the first civilization when in fact Mesopotamia came first?
Pluto is a anti-social dwarf with a heart of ice. It doesn’t care if it gets demoted to solar system body. And neither should you.