If I rename the Created column in a list, I cannot use it to create a calculated column that refers to it... Is this some "feature" of SPO or really a bug?
Just for an exmaple: our tenant is Pt-Br. This means the native/default name for the built-in datetime column for items' creation is localized, "Criado". Below, I've renamed that "Criado" column to "Created" and then tried to create a calculated column referring to it. The error returned says such column (Created - the new name) "doesn't exist" (even though this new column name was in the pick list of columns for the formula):
and if I rename the "Created" column back to its native, localized name ("Criado"), then try to create a calculated column referring to it, I succeed
Y'all can test renaming the Created column to whichever you want and then try to use it in some calculated column formula.