So do you think we are closer to getting to AI than we were in the past or closer? Certainly, we have better understanding of cognition today. Modern understand

So do you think we are closer to getting to AI than we were in the past or closer? Certainly, we have better understanding of cognition today. Modern understanding of the mind like we have now didn't really exists in decades previous along with better imaging technologies. Is there some reason why we can't build a general learning machine?