Tobi can become intangible while his WarFan is solid!!
Look carefully at the scan, half of Tobi's body is intangible under the rock and is holding the WarFan while Naruto blocks it solid.
How did Hashi-Fanboys know that Kishimoto changed his mind? Please provide sources to prove this claim. If not, it seems that Hahi-fanboys have a personal relationship with Kishi, since they know he changed his mind.