When you two have finished your love in, it may be good to remember that Scotland still remains an integral component of the World's 5th largest Economy. Perhaps, being pleased that we no longer have the Empire, you would like to talk us down to 15th position. Some would argue that the wealthy Nations have a duty to contribute to World security rather than simply live in the warm fluffy (perhaps tartan) blanket of their inward looking Welfare State. It is also worth remembering that we haven't yet imploded to the status of "just an other Country in Europe" and still have significant trade across the Atlantic and well outside the EU; all of which relies upon the security of our sea lanes. Boringly back to Thread; sea power is where the Carriers come in.
One thing I can agree with is that we do not have the right to interfere, by armed force, with a Sovereign Nation that has not, itself, performed an external act of aggression. If I agree on the doubtful need for large Carriers, it's simply through fear that it will skew the pitifully small Naval Budget for decades to come and reduce the FF/DD force to beneath all but a token level.