It seems to me that when you put something on a public part of the internet that you should assume it will be archived automatically by any number of crawlers. Innocuous things like the wayback machine on archive.org, but also any number of corporations or governments could do for whatever they see as in their interests. I feel that deleting or autodeleting leads to a false sense of security, in fact it might draw more attention if something disappears.
It seems to me that when you put something on a public part of the internet that you should assume it will be archived automatically by any number of crawlers. Innocuous things like the wayback machine on archive.org, but also any number of corporations or governments could do for whatever they see as in their interests. I feel that deleting or autodeleting leads to a false sense of security, in fact it might draw more attention if something disappears.