On what basis do you say this? Is it anything more than your gut feeling? How much more training data do you think will be needed to bring about this 10x or 10

On what basis do you say this? Is it anything more than your gut feeling? How much more training data do you think will be needed to bring about this 10x or 100x improvement? Do you have any expectations as to how it will be obtained? Also, what's being multiplied by 10 or 100 in this scenario?