Of course it is a complicated business but we are a multi million pound organisation paying specialists tens of thousands of pounds to get it right. We have been doing it for years, and if you learn by your mistakes we should be experts by this stage. So it is not as if we are inexperienced in the matter.That's a typical armchair fan view. No idea about how complicated everything is behind the scenes. Especially now.
But as you say “it is complicated”.