How can an oil Retailer make this statement?

[mechtech2]

How can a mfr. state that a thicker oil offers more protection?
Well, of course it does, all else being equal.

 

[oilyriser]

protection against what?

 

[Peted]

wear. wise guy.

 

[oilyriser]

I want an oil that protects against having to spend money.