Definitely leave it. It's far too dark and looks like the kind of room that an Agatha Christie murder would take place in. (Sorry if that sounds a tad macabre. 😳 Old fashioned might have been a better phrase. 😉 )
I don't hate it - I've seen similar in country house hotels - but I wouldn't want a library at home at the expense of another room and most of us don't have the luxury of spare rooms.
Don't ask me what I think of you, I might not give the answer that you want me to.