There’s a huge amount of difference, whether you’ll actually notice is another matter.
Material, construction, design and manufacturing process all contribute towards how well it will do it’s job. Personally I’d go for a stiff/strong sensible design over a lightweight one everytime. I’d suggest anyone wanting to fit wide bars do the same.
CynicAl may be an idiot but at least building the most unused fatbike in the country cost him **** all.