Wow. What an excuse for plagiarism!
Well, that's pretty much the definition of intellectual disingenuousness, so there's not much else to say. Except, again, WOW.
By the way, I don’t think that there is any substantial and/or sustainable evidence that holds any amount of water that Joseph wrote the Book of Mormon through the process of plagiarism.
It should be important to note that this is conjecture on your part. Unless you can show evidence.

You are again assuming everyone else thinks like you, by assuming tbeir conclusion before looking at evidence. You would be wrong, but suppose we apply it to you. By tour own logic, you have "no other option but to discredit/disbelieve anyone that" doesn't believe in angels, received plates, seen God, etc."And I will point out again, as I have at other times to others, that as a disbeliever in a creator God you (and others) have no other option but to discredit/disbelieve anyone that claims to have seen angels, received plates, seen God, etc...
You've hoisted yourself with your own, biased petard.