That's a pretty weird detail of this. Anthropic don't usually do that - other posts have named the contributors in full, for example:
- https://www.anthropic.com/engineering/a-postmortem-of-three-...
- https://www.anthropic.com/engineering/how-we-contain-claude
The politics of AI are getting pretty heated and I suspect engineers at key companies are increasingly reticent to get doxxed and harassed.