The restrictions on commercial use means it does not meet the non-discrimination part of the open source definition.

This blog post from the OSI explains it well: https://blog.opensource.org/metas-llama-2-license-is-not-open-source/

Llama 2 is not open source. tech companies need to stop abusing the term.

How many times can Elon shoot himself in the foot with Twitter before it dies

A temporary blackout isn’t enough. We need indefinite blackouts in all participating subs. Hopefully we’ll see a mass exodus if that happens.