Sydney Sweeney has good jeans in Americana. But it’s her awkward, affected stammering that’s emblematic of this Western crime comedy, de-emphasis on the latter, as Tony Tost’s feature debut puts minimal effort into being amusing.

The “great jeans” ad campaign from denim retailer American Eagle Outfitters Inc., featuring actress Sydney Sweeney, has sparked anger from some progressives, support from conservatives, and a jump in social-media followers,