Just musing. This question was inspired by two thoughts:
I've never even considered buying a wired version of a tyre. I can't understand spending a small fortune on a decent bike for its performance only to reduce its potential at the business end where it's connecting with the ground with unnecessary weight.
I've often worn my rear tyres to a semi slick. This would seem to indicate that I don't necessarily need the performance characteristics of the tyres I've chosen so carefully in the past ranging from 1.8" to 2.4". It's almost as if anything would do as long as it doesn't feel draggy and heavy.