I think the main thing that put me off was that I ...

# stdlib

[mk]

I think the main thing that put me off was that I had recently been trying to define run on Future, but realized that this extension would shadow a stdlib method, which I considered a no-go. Adding more methods that are available on Any out of the box takes away room for apps and libraries to extend library types. Maybe it's not a big deal after all, but it is something I noticed.