A group of people could vote that my butt is a planet but that doesn’t scientifically make it one.
Literally it’s only “a planet again” because people at Harvard voted it to be one. So Pluto’s “reinstated planetary status” is purely a political one, and is not determined by any scientific definition. I put these in quotes because this was just an opinion poll, and as we all know, opinion is not fact. Just like the survey answers on Family Feud!
The only reason it was ever a planet before is because we had no other explanation for what it might be. Once we discovered the Kuiper Belt, which consists of a bunch of objects that are similar to Pluto, it made people go, oh hey, maybe it’s not a planet, maybe it’s one of these other objects in this belt of which Pluto seems to be a part. If you have a bag of 9 skittles and 8 are red and one is orange, and you don’t know that skittles come in other colours except for red, wouldn’t you group the orange with the red? That’s how much data we had back when Pluto was discovered, but now we have a full bag of Skittles with all sorts of colours and we can sort things more easily! Yes, scientific classification does mean segregation for the sake of organization, but luckily, outside of the textbook, they’re not that segregated in reality.
In 2006, a hard definition for planet was decided upon which demoted Pluto’s planetary status. If we decide that Pluto is a planet again, by that logic, why aren’t Eris or Ceres planets? Why are they dwarf planets? For that matter, why aren’t all of the objects in the whole of the Kuiper Belt planets? Why don’t we have tons of planets?! It’s because of this that a definition was decided, to keep things organized and easier to teach through grouping.
Why is Pluto a planet again? Well, it’s not. Not by any scientific reasoning. Pluto is not a planet again, and it probably never will be, even if your opinion is that it should be. My advice is that you should get over it and move on to something actually worth your time rather than getting mad about Pluto. Like nebulas. I mean just look at the colours on the Ring Nebula!