The Reference Desk/The Sea Monsters and The Unwilling Traveller: invalid?

From Tardis Wiki, the free Doctor Who reference

I think that these two stories from The Dalek Outer Space Book should be categorised as non-DWU stories since, like all but two of the stories published in Decalog 5: Wonders, they have no apparent connection to the Doctor Who universe. What do the rest of you think about this?