No, the quote says what it says - again:
Quote:
In all ways Morgoth sought most to cast an evil light on those things that Thingol and Melian had done, for he hated them and feared them.
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and makes it quite clear he had more than simply a general purpose. Your quote implies that only taken out of context.
But you may now have the last word, since you've successfully killed my interest in this "discussion".