Perhaps Fox recognizes the Beauty and the Beast as one of Walter's guilty pleasures, and is just as relieved that Walter hasn't mentioned finding his alien-porn tapes yet . . .

M: "Walter found my Bigfoot video last night, Scully."
S: "So?"
M: "He wanted to watch it..."
S: "So?"
M: "I told him it was a *private* thing, but he didn't understand..."
S: "I don't think *anyone* understands, Mulder."
M: "Remind me not to share my cryptozoological erotica anecdotes with you again, Scully--actually, to be safe, I should probably just not talk before I've had my morning coffee."
S: "No argument there."