I'd say we have much more conclusively determined that the earth is not flat, than we have determined whether something outside of our normal senses might exist.
Of course, I know that statement will be disputed by some.
There was probably a time when, based on the currently understood science, most were pretty sure the earth WAS flat.
"Many ancient cultures subscribed to a flat Earth cosmography, including Greece until the classical period (323 BC), the Bronze Age and Iron Age civilizations of the Near East until the Hellenistic period (31 BC), India until the Gupta period (early centuries AD), and China until the 17th century."
At some point, we will be an "ancient culture" as well. Hopefully.
So did Atlantis and Mu. Shall we investigate those, whether they might be real or not?
We did and they are not real. They were the "Harry Potter" books of their age.
Like the stupid bible. That has 66 books in it, right? Wrong. Which books get included depends on what one believes and that changes day by day.
But let us shortcut that and consider that whichever assortment might have some modicum of veracity.
Then we must conclude that human sacrifice is somehow holy to god, right?
Whenever one raises this issue, the believers will claim that gaaaaawwwwwd stopped Abraham before he killed Isaac. It was merely a test.
Nope. I refer to the case where it actually happened. You should know it, else you have not read the magic book.
Or how about Heavens Gate? Mass suicide is pleasing unto god because something something. Every one of them believed it sincerely. Were they right?
Branch davidians, Jim Jones, The endless failed end times predictions of the JW loons, Planet X (do not get me going on that, Nancy is still banging on), Nostradamus, I could sit here all day listing all the failures. It may well be my progeny that chuck your prediction on the list, but chucked it will be.
I didn't teach them to play "Pin the tail on the donkey", I taught them to play the game of "Spot the religious loon". Wanna know why? Because at some point, I will come down with a bad case of dead. Flat out dead. Post mortem. Gently cooling meat. Nothing to see here. It is going to happen. I cannot stop that. You can not stop it. Your god can not stop it.
But I can tell you what I can do. I can buy a home outright. No debt, mortgage, lien or any financial burden upon it.
I can then retain a lawyer to write my will, whereby I leave the lot unencumbered to my two kids.
I can appoint a friend as executor to that will knowing full well that in the event of my demise, he will have my kids best interests in mind.
In the next short months, I will be replacing my friend as executor. Did he do something wrong? Nope. My son is an adult now. It is his problem.
But in godology, I should not care. After all, I am merely wiping my feet in this world while expecting to enter the next just as soon as I clean off the shoddy from my boots. The very "shoddy" you claim your mental god put there in the first place.