I wonder if those bots that preserve pmarca's tweets run afoul of twitter policy. Twitter previously shutdown a service that preserved tweets that were deleted by politicians.
Life is never fair and people are never equal.
The other alternative is to not have a verified account, then you can post whatever you want and then, ahem, delete it.
https://sunlightfoundation.com/blog/2016/09/20/statement-fro...
Labs is shutting down now, and the other aspects of Sunlight may or may not find a home in some other institutions.