On: Some discouraging anecdotes on how services handle...

[nicoburns]

HN is surely different in that the comments are all public.

[amelius → nicoburns]

True, but the commenters are mostly anonymous now, and may be unmasked in the future when advanced de-anonymization techniques become available.

Hence it may be reasonable to request that all data be removed.

https://en.wikipedia.org/wiki/Data_re-identification