dumb question, with LLMs being so prolific now, why is this sort of a thing.. a thing? Why not us an agent to maintain code people use, but humans don't have ti

dumb question, with LLMs being so prolific now, why is this sort of a thing.. a thing? Why not us an agent to maintain code people use, but humans don't have time to keep up with? or at least, are agents being used in FOSS software widely for such ends, at least to reduce the burden and cheapen the cost of delivering quality FOSS experience?