> Yes, but in the sort of environment I just described, if things are done correctly, the thread handling UI updates would not only never block, it would never

> Yes, but in the sort of environment I just described, if things are done correctly, the thread handling UI updates would not only never block, it would never be waiting on anything high latency. That is already the case today for well written apps on Android (Java) and Objective C (iOS). Rewriting in Go wouldn't be a solution. It is how the execution is structured in any language.