I mentioned the +/- zero thing in another comment elsewhere in this tree, actually! So we're all on board there.
It's not really that signless infinity is a contender for 'consensus' inasmuch as number systems which use signless infinity have utilities different from systems that have signed infinities, just like integer math continues to exist despite the 'improvements' of fractions and decimals.
We're here to give you a computer, not a religion. - attributed to Bob Pariseau, at the introduction of the Amiga