It serves the useful function of alerting the community of early adopters that coinbase is (probably) not (yet) ready to be trusted to competently handle one's

It serves the useful function of alerting the community of early adopters that coinbase is (probably) not (yet) ready to be trusted to competently handle one's cash. Also, YC is a backer of coinbase so there's a high likelihood that someone from coinbase will see the post here if it's on the front page long enough.