I can 100% guarantee that I lack the Mentat level of discipline necessary to prevent my true inner thoughts from leaking out in the middle of a conference. I'd also be the first to inadvertently summon the giant squid from Sphere.
I agree with the author about the slow inner loop experience. Recompiling the whole app to see browser changes gets tiring. The .NET team is planning a series of updates to address this in .NET 6. https://github.com/dotnet/core/issues/5510
I also dislike the default workflow for dealing with Nuget forks. I switched to Paket for dependency management which makes this much simpler. https://fsprojects.github.io/Paket/
Actually no, because on the release CD of Common Language Runtime, and the alphas and betas that preceded it, Microsoft collaborated with several companies and universities to have various languages available at lunch date.
Many of which did have a REPL.
Also the dynamic language runtime originally designed for Iron languages, Python and Ruby, precedes F#.