Not quite.

For Biggs and Crane, unless I'm misinterpreting, the presence of "culture war issues" in the bill was itself a detractor,

Biggs and Crane posted a joint, 10-minute video explaining their “no” votes, citing U.S. support for the war in Ukraine, financial accountability at the Pentagon and culture war issues.

For Buck, the size of the budget was the stated concern,

Buck’s opposition to the measure rested in its price tag. The legislation sets an $866 billion budget for the country’s armed forces in fiscal year 2024. He said he could not “in good conscience” support the legislation.