FWIW, I think there is a problem if multiple bots attempting to autosubmit end up inadvertently creating a voting ring. But that can and should be fixed by changing the way HN treats submitting an article that has already been submitted.
Other than that, I only think bots are a problem for HN when submitting spam rather than ham. I am in favour of bots provided they don't play fast and loose with accounts. I would be ok with each bot having its own account, or all bots using their creator's accounts. I would consider it fraudulent to create bots that periodically give themselves new accounts to evade filtering.
If bots all used a stable account, pg could throttle or ban those that submit too much spam. But if a bot is constantly submitting articles that are upvoted by humans.... I'm happy to see it seed the new page.
JM2C, I don't make the rules, I just play by them.