Product photos must meet the requirements of online marketplaces. For example, all Amazon photos need pure white backgrounds, while eBay requests solid white or light-grey photo backgrounds from sellers.
There's a good reason marketplaces set these demands: white backgrounds increase the chances of selling more items. Even if you are not on these particular platforms, selling more is a good reason to clean-up your photos.
If you want to achieve Amazon or Ebay-ready photos with white background, remove.bg is the simplest way to go about doing that