In fact, I would go further, and say that Welsh in Cardiff is spoken almost exclusively by an upper middle-class "elite". You can say that publishing in Welsh helps preserve the language, but you can't argue that it's good for making science accessible or useful.
Edit:
>because killed by English internal colonialism/centralism so to say
If we trace the origins of the languages currently spoken in the UK, it's much more correct to say that all of the original languages were pushed out by foreign influence from the continent.
Edit:
>because killed by English internal colonialism/centralism so to say
If we trace the origins of the languages currently spoken in the UK, it's much more correct to say that all of the original languages were pushed out by foreign influence from the continent.