457 upvotes and 212 comments in less than 20 hours would suggest there is legitimate interest in this announcement.

You are correct that their CTO has submitted 16 posts this week (not all of them from their own blog), but I don't see the harm in that: less than half of them attract any comments at all and quickly slip beneath the waves.

Also, to be fair, it has been an unusually busy week, as they had a "Crypto Week" during which they announced something genuinely interesting each day, and their 8th birthday was a fair excuse for a navel-gazing post.