There's a lot of interesting research focused on this problem space, training algorithms toward a more flexible problem-solving ability. Here are a couple:

https://arxiv.org/pdf/1902.09725.pdf https://openreview.net/pdf?id=Skc-Fo4Yg

I do think the DeepMind team is pretty aware of how well their algorithms adapt to new problems. That has been a theme since the Atari paper.