Why ActivityPub over Nostr? - function only

I have seen some critical views on Nostr as a part of decentralized network discussions, but most seem to be focused on culture not function.

What are the functional / protocol differences that make you prefer ActivityPub over Nostr?

https://feddit.online/c/fediverse/p/1267576/why-activitypub-over-nostr-function-only

Switzerland government release full FOSS LLM under Apache 2.0, argue for AI as Public Utility

https://feddit.online/c/opensource/p/1229438/switzerland-government-release-full-foss-llm-under-apache-2-0-argue-for-ai-as-public-ut

Apertus: Switzerland government release a fully open, transparent, multilingual language LLM

https://feddit.online/c/technology/p/1229433/apertus-switzerland-government-release-a-fully-open-transparent-multilingual-language-l

Nexalta Guardian: Decent self host server?

https://feddit.online/c/selfhost/p/1193968/nexalta-guardian-decent-self-host-server

Nexalta Guardian: is this a good secure network solution?

https://feddit.online/c/networking/p/1193960/nexalta-guardian-is-this-a-good-secure-network-solution