- Essentially zero input or transactional latency

- Proven effective after 14 years of heavy use

- Celebrated by user

- Zero dependencies

- Maximally portable

- Outage-proof

- Compatible with all backup systems and most version control systems

Have you considered that stuff like this is already "more productive" for fluent users than almost any alternative could be?

Somewhere along the line, product people started to mistake following design trends and adding complexity for productivity, forgetting that delivering the right combination of fluency, stability, simiplicity are often the real road to maximizing it.