"because it as an EU state member must always take its orders via the various non elected bodies that steer Europe"
The Original Poster has betrayed his agenda with this reference in the first paragraph of the post.
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The prevalence of Covid in both the EU and in the UK is distorting and magnifying the current situation.
Once Covid is under control we will see a clearer picture emerging which allows a better comparison to be made between the effects on Spain and the effects on the UK. Things will settle down.
The OP makes reference to the number of cafes and bars closed in Spain but fails to balance that opinion by mentioning the number of bars, cafes and restaurants currently closed or at risk of closure in the UK.
There seems to be a notion among some that Spain will become the new Venezuela without the British pound.
Does he think that British people will suddenly stop taking holidays in Spain? The number one most popular holiday destination for British people? Given that the requirements for holiday travel to Spain are the same as they are for any other European short haul destination I can't see that happening.
Certainly fewer British people may seek to buy property in Spain, and some existing owners may seek to sell. It remains to be seen what effect that may have on the overall property market but I suspect the prophets of doom may be disappointed.
What I do know, is that many people who voted Leave wish to see the EU collapse - as if the Leave vote was not quite enough to satisfy their hate for the EU - but again I think they will be disappointed.