If you actually go to the site before providing feedback, it might be more useful. Then you'd see this on the locations page:
The only "unnatural" thing that the current owners of the house have encountered is the invasion of their privacy and property by scores of sightseers. It is a tremendous burden to the family that currently lives in the house to have strangers constantly at their door and on their property. DO NOT knock on the door or disturb the owners in any way.

That is followed by a list of changes that have been made to the house since the DeFeo murders. And no, I don't think that horseshit was real.