Nevada's unions span a broad political spectrum, and not all unions supported the film bill. Some unions that did support the bill have not necessarily used it to influence their primary endorsements. The Culinary Workers' Union and the Clark County Education Association supported the bill, for example, but have endorsed Flores and Watts, respectively. 

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The highest-profile recent example of this shift came in 2024, when Culinary revoked  endorsements and ran one of its own members against a lawmaker after the Legislature overturned pandemic-era hotel cleaning requirements. 

The results were mixed. The Culinary member lost to incumbent Sen. Rochelle Nguyen (D-Las Vegas) in the Democratic primary, although a Culinary-endorsed Republican candidate successfully ousted Sen. Dallas Harris (D-Las Vegas) in the general election. 

It was a notable political break by a union that has long been harnessed as an organizing machine for Democrats and that was partially credited with causing the election of now-Sen. Catherine Cortez Masto (D-NV) in 2022. 

"The Democratic Party has a lot of competing interests to balance, and sometimes that supports and helps the trade unions, and sometimes it doesn't," said Gelman. "When it doesn't, the trade unions need to sort of express their dissatisfaction in some way."

Local 872, which is more politically moderate than unions such as Culinary, had already used a selective endorsement strategy for years.