That may all be true, but you’re talking about voluntary affiliations here.
Colonies are rarely ceded voluntarily, but are usually the result of an invasion or a lost conflict. The fact that this is no longer the case with Gibraltar today, because its inhabitants value the benefits of belonging to Britain, is simply a consequence of the time that has passed since then. It does not automatically undo the imperialist actions of the past.
I was not talking about any of the points you mention, I was refering to the geographical facts alone. Wouldn't you agree that in general it is kind of silly to claim ownership of a piece of land that is far, far away from your own country?
From a purely geographical point of view, it is so absurd that there is even a debate about to which land mass Gibraltar "belongs" to. As a colonialist, I would find it very difficult to justify my own behaviour nowadays.
Whilst the world suffers because more and more let's say "not entirely climate-neutral" data centres are being built beause you were to lazy to read an article you mean.
… which heavily involves memorizing foreign letters. English and German mostly share the same alphabet, though, which suggests that the person asking the question hasn’t quite grasped the point. That’s what I was trying to get at in my comment.