Designer perspective:

https://wiki-site.win/index.php/Subject_Selection_for_50%E2%80%93500_Images/Month:_Practical_Comparison_for_Freelance_Designers_and_Small_Teams

Designer perspective: "Here’s the thing—I've tried everything from Remove.bg to Adobe’s own background remover. Truth is, Remove.bg is great for quick, low-res proofs but it often butchered the edges on my complex illustrations