Incidentally, if you want to be pedantic, AFISO is incorrect (that changed to FISO about 9 years ago) and FINAL does not have an S on the end!
Pedantic mode on.
The OP didn't seem pedantic to me, The radio call "Runway available XX" is not normal practice if used repeatedly to numerous traffic, replacing "Runway in use"??? And the FINAL / FINALS argument continues, What about "I am carrying out my final preparations (plural) for landing? Hence Finals.
Mode off.
Anyway what's wrong with "Active runway XX" we used in the Mil years ago & I don't remember anyone landing on the wrong one?