I wholeheartedly agree with this piece from @kityates.bsky.social. The Royal Society has to take may things into consideration, including what its US members feel - but even so, I think the right course in this instance is very clear, and they ducked it.
https://www.theguardian.com/commentisfree/2025/mar/04/elon-musk-science-royal-society-scientific-integrity