Well yes, but context matters here and this is the US government's decision to take with a US-based company.

While I understand why it matters for folks affiliated with prominent AI companies in particular to sign this, the more the American people stand together, the more pressure I think that puts on our government to act responsibly.

Idealistic and naive? Probably. But sometimes grassroots efforts do spark change, and it's high time the people of the USA start living up to the first word in our country's name.

Anyways, to answer your question directly: I welcome all the fine people of the world everywhere to join in what this open letter stands for.

Unfortunately, it's abundantly clear to many of us Americans that the current administration doesn't care what we think, never mind what people outside our country do. So I'll just start with the group that this department (in theory) is supposed to represent.