I know. But you shouldn't lump the dangerousness of HPKP on HSTS. Also with HPKP you shouldn't just pin one key. You should pin several keys you own as well as

I know. But you shouldn't lump the dangerousness of HPKP on HSTS. Also with HPKP you shouldn't just pin one key. You should pin several keys you own as well as several root and intermediate keys. But I agree it's very difficult to do right and there's still a risk of it failing.