I'm afraid I'm not smart enough to deliberately use sleight of hand in one of my posts, but I take your point. I'll update the post to address your criticisms a

I'm afraid I'm not smart enough to deliberately use sleight of hand in one of my posts, but I take your point. I'll update the post to address your criticisms and others from this thread. My main motivation for writing the post was seeing type keys used for truly no good reason and leading to code that was impossible to understand, but the post could spend more time considering when type keys are appropriate and the downsides of alternatives.