Earlier quoted context omitted.
This is 100% on Radix, not on Google. Google and Microsoft can (and probably should) have a registry of known-abusive websites. False positives are inevitable, so these should be taken with a grain of salt, but in most cases they're correct. Their lists are a lot more reliable than those from the "traditional" antivirus/anti-scam vendors that will list anything remotely strange to pump up their numbers. The external…
I read your comment as agreeing with the article: "Never buy a .online domain". And Google has the right to publish a list, there should be more lists not less. But Google was at fault for not correcting their blacklist. Until the article appeared on Hacker News, this was not 0% on Google. A small, correctable mistake, but they deserved a tiny bit of blame.
If all it takes to be taken from the blacklist was to temporarily delete the NS record - the list would be useless against malware.