“.....a conspiracy (or other crackpot theory)....”
Creationism is neither.
Creationism isn’t.
Young Earth ism is.
Nothing in Scripture demands God created everything within 10,000 years.
Just looking up at night and thinking about what you see demands a universe larger than 10,000 light-year radius (i.e.: what you see can’t fit in a space 20,000 light-years wide).
And just because parts of Pluto are smooth doesn’t detract from other celestial bodies being very much not.