There seems to be some issue with people that believe not being specific about what part(s) they believe. The issue with this is if you say, "I believe the holocaust happened, and you're stupid to not believe it", and I retort with information showing that 6 million Jews could not possibly have been cremated in the time claimed, you'll bring up gas chambers, or death rollercoasters, and you'll hop around to the different claims indefinitely.

You pick. You pick the part(s) you're willing to support and defend. Once those are debunked, you have the option of admitting fault, or playing the game I mentioned above, but at least this way maybe you'll be prepared to accept this one simple idea:

That you might be wrong.