It's because they are Obito haters and extreme madara fanboys, minamoto and another guy named scorezor are going around the internet, trolling people and spreading their bullshit that tobi IS madara despite being revealed to be obito,
they say some shit about madara sealing his soul or spirit,, some shit into tobi and that makes obito, Madara uchiha, and that spiral zetsu, madara uchiha are all living inside of obito so, Obito is ''spiralobitodara'' aka tobidara in their view
despite being proven wrong, they hold up the belief that KIshi is not really telling us who obito is, chapter 599 is NOT the revealing obito in their view, they also believe itachi could never ever be wrong in guessing obito to be madara and that despite madara teaching obito, obito will never ever, be able to trick anyone to thinking he is madara
so yeah, in their belief tobi IS and will always be madara uchiha and madara is living inside of obito CONTROLLING OBITO just waiting to take over his body
I like to call them. MADARA WITNESSES Lol