Dabi and doctor?

So apparently, there’s been theory going around discord of how the doctor saved Dabi, so Dabi and the doctor already knew each other when they met: https://www.google.com/amp/s/waxwingedhawks.tumblr.com/post/188885468688/ujiko-was-dabis-doctor-theory-20/amp

What do ya’ll think? I’m kind of mind blown right now this actually seems like a legit possibility