Mark:

I have not changed. You simply don't want to understand my point. I have said it repeatedly; yet, you ignore the heart of the matter and focus on the tangential issue that Sinai was a miracle. I agree with you Sinai was a miracle. But, the proof for the revelation at Har Sinai was never my point. I didn't say that we have 100% empirically verifiable proof.

I said that we have a historical  basis for our ancestors acceptance of Torah.

Now, here is the key point you keep avoiding:

The Torah says that just because a person performs a miracle we should not veer from our observance of Torah and worship of Hashem as the One and only God as depicted in the Torah. Therefore, claims of miracles by adherents of other religions are irrelevant.