Why does Battlefield 2042 stutter on my Zotac RTX 5060 Ti 8GB XGAMING OC?

I was deep in a chaotic vehicle melee when my frame rate crashed from 60 to 32 FPS, with textures blurring badly. I tried lowering texture quality to 'Medium', but the graininess made it unplayable. Using GamePP DLSS/FSR Image Sampling Calibrator, I switched DLSS from 'Quality' to 'Performance' and set sharpening to 65. GamePP Frame Time Analyzer showed stability at 16-17ms, and VRAM usage dropped from 92%-95% to 84%-88% per GamePP Hardware Sensor Page. The smoothness returned instantly, making the action fully playable again.