Rapid prototyping, replacement for a scripting facility, diagnostics filtering & output, a platform for "apps" for a small IoT type devices and just the ability

Rapid prototyping, replacement for a scripting facility, diagnostics filtering & output, a platform for "apps" for a small IoT type devices and just the ability to run the same plugin anywhere you please. It can be an enabler for new innovations. Even if it runs 2-10x slower than native code. And what if the answer was just: just because I can? That's how a lot in our industry got started.