Concerns about AI development have led to the resignation of a researcher. The individual is leaving due to worries that companies are not handling AI development in a responsible manner. A warning has been issued regarding potential dangers, with some developers believing that AI could pose a threat to human life in the near future.

Further details about the resignation and concerns are available from the source. The researcher's decision to leave is based on concerns about the potential consequences of AI development.

The source provides more information about the situation and the warnings that have been issued regarding AI development and its potential impact.