How are Lenovo, HP, and Dell Still the Top Three Business Laptop Providers?

Trying to replace my laptop has led to a conundrum. If you read the reviews in computer and laptop magazines, the best business laptops on the market are from Lenovo, HP, and Dell. With a few exceptions, everything else is a cut below. But if you read the comments of the system administrators who have to deal with these laptops, the regard with which they are