"BTW - PPRuNe's spell-check seems to be American? Prefers "realized" over "realised")."
It belongs to a US company who sell advertising - they have dozens of similar websites - hence the spell checker and the occasional strange change in the site ....... technically & financially its run by the company but day to day by the Mods (who I understand are unpaid volunteers) - who occasionally admit they have limited influence over the techies