It'd be a very similar experience for users, where IO code/packages would be incompatible with node.js code/packages despite being, on their face, very similar.

It'd be a very similar experience for users, where IO code/packages would be incompatible with node.js code/packages despite being, on their face, very similar. But you're right, that situation might not last as long, due to the fact that one is theoretically trying to eat the other's users, rather than in the case of Python, where things are much friendlier.