Do you use it in dark mode with a completely black background and white text? You get pretty nasty retinal afterimages from closely clustered bright spots like that, and can make the center of your vision blurry/hazy for a few seconds to minutes. It’s a harmless temporary effect, but can be a minor annoyance.

No, because it’s not poorly processing anything. It’s not even really a bug. It’s doing exactly what it’s supposed to do, spit out words in the “shape” of an appropriate response to whatever was just said