[Mr. Douglas]

Thousands of people participated in the movement across the country,

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For what it’s worth, in a country of 320,000,000, “Thousands” is statistically zero.

[Oatka]

Thousands of people participated in the movement across the country,

Maybe it is like the Hollywood promos for some epic film - "A cast of thousands!":
Herman Thousands
Mary Thousands
Little Jimmy Thousands
etc.