The idea of "BBS" probably helps to sell lots of products that people don't really need.It's all about enjoyment. You should shave with whatever method gives you the enjoyment level that you are satisfied with, be that, a clam shell, electric, carts, "safety" razors or straight razors.
"Hmm. I'm only getting a DFS+ at the moment. Maybe if I buy the Blood Letter 3000 and two hundred and fifty NOS blades I'll get the shave I really want..."