It feels like model 3 is at the moment when Tesla added Falcon wing doors and second row seats to model x. Plenty of improvements can be made on the current prototype, and people assume model 3 will change a lot from now on based on their model x experience.
Is model x approach the right way going ahead? Although falcon wing doors caused a lot of delays and made the car more difficult to make, it may very well be the right decision in the long term. It captured people's imagination. For model 3 I am sure Tesla has the urge to look for innovative solutions to address some of people's concerns.
But every feature creep from now on will inevitably cause delay and additional cost. Given the overwhelming enthusiasm, Tesla can just get its prototype finished up, get to market sooner, and iterate from there in the future. The goal of model 3 is always affordability and manufactability. Delivering the amazing driving experience and autopilot is already huge. They can just decide on the current design and move on.
Personally I think Tesla has learned from model X lesson and we are expecting too much change from here. What do you think?