Let me start by saying I am not proposing a wholesale token "burning" as I believe that could have unintended negative consequences long term.
However, considering the tremendous price appreciation in 2017 and attendant price volatility in 2017, what process is available to the community to propose an escrow plan for a percentage of the XLM still held by SDF?
Ripple did this with XRP a few months ago (https://www.coindesk.com/ripple-pledges-lock-14-billion-xrp-cryptocurrency/)and even if one could argue it practically does little, it does send a strong and powerful signal both to the Stellar community as well as the broader public.