The 3rd party developers would provide a lot of junk faces, but they’d also provide faces that would put Apple’s faces to shame. Perhaps that’s a partial answer.It's a nightmare for people like us that prefer digital faces.
I want digital time (preferably with seconds) displayed horizontally in the center. Ridiculously standard setup for a regular digital watch.
If we had third party watch faces I'd have an abundance of ways to achieve that.