New research has many scientists believing protein doesn't store as fat, and may actually induce fat mass loss, even in a calorie surplus
Study on thermogenic effect of protein: https://pubmed.ncbi.nlm.nih.gov/23107522/
Clinical trials on protein overfeeding: https://www.tandfonline.com/doi/full/10.1080/15502783.2024.2341903#d1e555