The human in the loop reinforcement learning paper that powered chatgpt's training arose from deepmind's experiments with boardgames (and games). AGI is still an unsolved problem and deep RL that arose from the success of deepmind's experiments wth boardgames and games so far, will likely play a huge part in it
Search? Gmail completing your emails? They have lots of AI products, they just wait until they are more solid before releasing stuff. Now they will rush out a competitor to ChatGPT before it is ready, but they would use it for something given time.
