You realize this site is run by a venture capital firm and startup accelerator whose alumni include companies like Flock and Delve, right?
The VC around here loses more than we do if HN ceases to be a useful barometer.
Where was that? This doesn't sound right. I was running HN 10 years ago, and it has never been a practice to ban people for "comments about PG".
We ban accounts that repeatedly break the site guidelines, including with personal attacks, but that is not a question of who the person is—it's a question of how badly they've broken the rules.
Also, if the person is connected to YC, that would make us a little less likely to ban them, by the principle described here: https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu....