Nope, Fermi’s Paradox.
www.space.com/25325-fermi-paradox.html
Although, Azeroth could still be considered “primitive.” So they’d have no way of contacting us (or being close enough to receive our radio waves.)
But see, case in point:
You would not want Sylvanus to know we were here. She’d enslave Gnomes/magic to get here and easily overtake our planet of “mundanes.”