What would "on the market" mean here? Would you need to register a model that you upload on huggingface?
The sibling comment suggests that there are only a few foundational models on HF. They are presumably squarely within the target of this new EU law. HF as the hosting company will be in a similar position as YouTube is with local video licensing and content restrictions.
At worst HuggingFace will be asked to remove those models until they are made compliant.
If anything, if you believe HuggingFace's marketing blurb from the front page, they should be thrilled.
HuggingFace: "The AI community building the future"
EU: foundational models should be documented, data sources should be explained and summarized.
What better way of ensuring community AI can be built and reasoned about?