?Ask When Isaiah uses the unusual verb "create" in Isaiah 45:7, what was he trying to say?

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In Isaiah 45:7

I form light and create darkness,
I make well-being and create calamity,
I am the LORD, who does all these things.

The word "create" is the same word used in Genesis 1:1

In the beginning, God created the heavens and the earth.

The word's other uses are almost exclusively related to the act of creation. As in Jeremiah 31:22, many other applications suggest trying something completely different. Some usages, like "choose," "cut down," "dispatch," "done," and "make fat," have entirely different meanings. Except for this passage, though, none of them seem to discuss producing something undesirable.

Moreover, "darkness" and "calamity" seem to me more like the absence of something else than things in and of themselves ("light" and "shalom"). "Create darkness" seems a bit of an oxymoron, but maybe I'm reading more modern metaphysics into this passage.