You're right. The Model 3 might have more plastic in its interior than the Little Tikes car.
I am clearly joking, but my original point is that the Model 3 will in no way be considered comparable to the Taycan. The Model 3 is a stripped down as-cheap-as-possible EV. You are paying for the great Tesla software and functionality, not the build quality. Porsche build quality and attention to detail is beautiful. The Taycan is going to be a visually beautiful car that stands out, while the Model 3 just looks like a nice Mazda 3. No one will ever cross shop the two, even if they are similar in size. It is like cross shopping a Ford Expedition and Range Rover Autobiography LWB.