LOL. I wanted to correct the misuse of the word "penultimate," too, but I've been told time and again it's obnoxious to do such a thing. Yet, on the other hand, how can people learn if they're not taught? So I'm glad someone else had the courage to be supposedly "obnoxious."
The great problem with language is, being 100% a human invention, words only mean what people think they mean. Meanings change over time, and probably usually due to misuse.
For instance, few words are as misused as "literally," which most people use as its exact opposite, "figuratively," as in "When they told me THE BEVERLY HILLBILLIES Season 4 was coming out, I literally died." (Now you can't say this is off topic.)
But look now at what has happened to the word "literally":
So maybe soon "penultimate" will be defined as "the absolute ultimate," which I guess is what most people think it means now, anyway.
I will now use the words "literally" and "penultimate" correctly in one sentence:
Season 8 of THE BEVERLY HILLBILLIES was literally the penultimate season.
Yes, yes, yes, but who gets your vote for Possum Queen?!!