> the main reason this never happened
That's a shame. I cite your blog post about it often. It's a rare case of a software dev blog post that's both technically and socially insightful, worded in a way that can be read and understood by almost anyone.
> using a client with a different feature set is gong to be a problem
I can see why you'd think so, but I haven't found it to be a problem in practice. You are right that it doesn't really work with 1 account.