Yes. Yoshinori is among the best of the best, and I could not hope to capture that level of nuance in a quick HN comment :)
But in terms of being a more balanced view, my read of his post aligns pretty closely with my main point in this subthread: the disadvantages of sharding fall more on the application side (limitations on joins, secondary indexes, transactions) than on the operational side (availability, performance and resource management, logical backup, db cloning, replication).
