Regardless of the merits and feasibility of implicitness vs. explicitness, I seriously question whether it's ever a good idea to mix the two. That's just asking

Regardless of the merits and feasibility of implicitness vs. explicitness, I seriously question whether it's ever a good idea to mix the two. That's just asking for confusion exactly in those cases where selectors are confusing already; i.e. adding complexity where it hurts most.