Here is the full response from Álvaro Hernández at Fundación PostgreSQL:

https://postgresql.fund/blog/postgres-core-team-attacks-post...

as referred to by Álvaro’s (hn user ahachete’s) comment https://news.ycombinator.com/item?id=28514523

I am repeating the link because ahachete was getting downvoted here and he also started a new thread instead of continuing this one.