Perhaps if you did a little investigation prior to making this 'request', then you would know that Bungie does have a process in place for reporting suspected gamers outside of the game.
[url=https://www.bungie.net/en/Help/Troubleshoot?oid=13967]Report Suspected Cheating[/url]
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Did you even look at this? At the very bottom there is a section called Report Suspected Cheating Contact Form. The form has a section to provide a link to your evidence, such as a video as well as being able to link to the PGCR of the match. As for removing the name shaming rule will lead to nothing more than people harassing other players simply because some one posted their name accusing them of cheating.