all they have to do is add more sugar to make up for the missing hazelnut
They already do. Compare the Nutella made in Poland to the one in Germany.
Usually Poland ends up worse off, but I would like to let you know that the Magnum ice-cream quality is much superior in Poland compared to the UK.
The taste of their food and the beauty of their women made the British the greatest sailors the world has ever known. Though to be fair the part about the beauty is no longer true.