A big margin is right. Not getting into right or wrong, there well never be an objective answer on that.
The Democrats who voted to advance the measure also included Senate Democratic Whip Dick Durbin (Ill.) and Sens. Catherine Cortez Masto (D-Nev.), Maggie Hassan (D-N.H.), John Fetterman (D-Pa.), Gary Peters (D-Mich.), Brian Schatz (D-Hawaii), Kirsten Gillibrand (D-N.Y.), Jeanne Shaheen (D-N.H.), and Angus King (Maine), an independent who caucuses with Democrats. https://thehill.com/homenews/senate/5195254-gop-funding-bill-democrats-advance-senate/
As Schumer says it's a difference of opinion. Could cost him his position so he must soundly believe in the danger he outlined.