The Blockspring pitch of tech-for-nontech-people always annoyed me since it felt like a solution in search of a problem (see my 2015 comment when its investment from a16z was first announced: https://news.ycombinator.com/item?id=9969890)
That said, the 3.5 year delta with no funding events since suggests more that the runway ran out.
That said, the 3.5 year delta with no funding events since suggests more that the runway ran out.