You're question reminds me of "Any customer can have a car painted any color that he wants so long as it is black." - Henry Ford https://en.wikiquote.org/wiki/Ford_Motor_Company
So the answer is the same as why we have so many types of cars: choice.
I'm recommending #sparky as it's the Mazda Miata mx5, of linux distros. Sleek powerful & unpretentious.
It's powered by a Linux Kernel, mounted on a rock solid #Debian chassis, with the understated, down to earth, stylish body provided by #LXQT.