SIE in general is pretty hands off as far as we know so I dont imagine they will really push ND for TLoU 3 if they want to do something else first.
Even Neil said with TLoU2 when he made the pitch to the SIE higher ups he expected allot of push back but everyone was like yeah go ahead.
Even Neil said with TLoU2 when he made the pitch to the SIE higher ups he expected allot of push back but everyone was like yeah go ahead.