If you don't approve of my posts, feel free to skip right over them. I won't be offended.
I try to limit my responses to posts the have factual errors, blatant misunderstandings, out of context quotes and the like.
Claiming gravity is a more established fact than evolution without understanding gravity is one of those priceless cases.
Defining gravity as "what goes up must come down" is equivalent to saying the sun revolves around the earth because it appears to, or saying the earth is flat because you live in Kansas.
People knew that things fall down before newton. What Newton did was extrapolate what was known about falling objects to explain how the moon and planets stay up. Simplified, of course.
The leap of understanding from falling down to orbiting heavenly bodies is no greater leap of imagination than discovering that the fossil record and the geological strata tell a real history.
It is foolish to deny either. Some folks just haven't noticed yet.