This is an old revision of the document!
Most modern “model building” like drunk person searching for his keys below a street lamp, although he lost it somewhere else in the dark. Everyone is searching where currently light is, although probably the correct theories currently lie in the dark. It does not mean that it will dark there all the time. Maybe a new street lamp will be built in far future. Or a friend with torch comes along or similarly, at some point the night is over!