"[15] His decision to found the organization was driven by his reaction to the tone and content of the Brexit debate, which he described as a "colossal, nationwide rejection of expert opinion" fostered by "media... focused on the political soap opera, not the facts".

[15] Commenting on the committee's report in April 2016, Galsworthy stated that the EU science programme offered "huge added value" to the UK and "the overwhelming balance of opinion is for remaining in.

[23] Despite the referendum result, in Galsworthy's view Scientists for EU has been successful in raising the profile of science in UK politics.

In Galsworthy's view, "This is a big step up from the general election of 2015 where science didn't feature.

The change was motivated by the diminishing window of time for negotiations and the increasing likelihood of a no-deal Brexit.

[29][30] Galsworthy and McKee co-authored an analysis of the effects of Brexit on the NHS, published in The Lancet, that predicted negative consequences for healthcare in Britain under every scenario.

[34] According to a profile in Der Standard, Galsworthy "persistently seeks clarification and sees it as a central science mission in the era of fake news.