Libel laws in the UK are way more problematic / idiosyncratic than law about "incitement to hatred", which are common (at least in Europe) and made to repress dog whistles.
edit: SLAPP suits are basically legal there, and often used to suppress speech or journalism which would be legitimate and even encouraged elsewhere.
edit: SLAPP suits are basically legal there, and often used to suppress speech or journalism which would be legitimate and even encouraged elsewhere.
see e.g. https://en.wikipedia.org/wiki/English_defamation_law