Earlier quoted context omitted.
What valuable things wouldn't exist without advertising?
Computers. And if you want to be pedantic, you'll say but they would exist for military etc!!!!! But if you're not being pedantic you'll agree that most stuff relating to computing exists in its current form in lockstep with yhe ability of companies to sell and therefore advertise their products. Not just computers but everything related to them too.
The home PC revolution was started in big part by accident when IBM made a computer that was both cheap and easy to clone. They became the leader against other, much better recognized computer brands, clones appeared left and right, and here we are.
They became the leader because their product was a better market fit, and not because of advertising. If anything, PCs actually canibalized the products that IBM was actively trying to market (mainframes come to mind).
And then there's Unix and GNU/Linux, the OS of choice for servers.