Was Vasquez nothing more than a "brownface" portrayal?
Take into consideration that Jenette Goldstein, Private Vasquez's portrayer is actually white and Jewish. She looks more like her natural self in Terminator 2 as John Connor's foster mother.
https://www.google.com/search?q=Jenette+Goldstein&hl=en&sxsrf=ALeKk01v7X_P943cBXM0mplKt0_BG0cqhQ:1615623073041&source=lnms&tbm=isch&biw=1600&bih=732
https://qph.fs.quoracdn.net/main-qimg-382218b8964e4cc5338b9ba76cc631b7
She also had to act like an arguably stereotypical "fiery Latina".
https://www.pastemagazine.com/movies/a-tour-of-cinematic-blackface-brownface-and-yellow/
https://chris-paicely.medium.com/what-to-do-when-your-favorite-movie-is-racist-bcfc244b60ac
https://toofab.com/2016/04/22/aliens-star-jenette-goldstein-vasquez-titanic-james-cameron-exclusive/