IMHO, the acquisition was mainly for two reasons: - signaling, to its customers and the market that they are taking this issue seriously - management "cover-my-ass": if somehow the overhaul is taking longer than expected, someone can claim "we tried everything we could"

There are secondary benefits, the acquisition did bring some probably-helpful talent around encryption/infosec, but as you said the rollout seems really fast vs acquisition time for a product that size.

Probably, the blog post itself is signed by Max Krohn, Keybase.io co-founder.

Helpful there, but gutted a really nice existing product. There isn't a viable alternative still and it makes me rather sad.