Grammar – ‘It Provides Opportunity for’ vs. ‘It Provides the Opportunity for’

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I came across this expression in this newspaper article:

"It provides opportunity for a small nonprofit organization to be
competitive with a major brand with huge marketing budget."

I was wondering whether it is instead more correct and/or appropriate the usage of an article before opportunity:

It provides an opportunity for a small nonprofit organization to […].

To me, it sounds weird (incorrect?) using the singular noun opportunity without any article before it.

Do you have any feedback about it? Is it correct? Or maybe just used despite incorrect?

Macmillan dictionary notes that opportunity is either countable or uncountable, giving the example:

opportunity for: The job pays well, but there’s not much opportunity for career advancement.

It does sound a bit odd to use it this way without more qualifying words ("It provides plenty of opportunity for..."), but it's valid.