I suspect it was not about facts, but about my choice of words. I was going for a Blue Velvet reference.
I've watched it as it premiered but I haven't remembered that line. I guess the concept of "anything that moves" wasn't shocking for my perception, the unexpectedly found cut ear in the grass, however...
Looking at your HN handle, I guess you've discovered the film at the time of Twin Peaks, if it was at the time it was premiered, you've had a hard childhood.