TARDIS wiki is supposed to be written as if the writers are looking back from the end of the universe. Thus, everything is in the past tense.
This doesn't erase the implication that at the end of the universe, penises are extinct.
This doesn't erase the implication that at the end of the universe, penises are extinct.
It's still funny that TARDIS wiki thinks there's a difference between the terms "non-canon" and "Not-Doctor-Who-Universe"