Gymshark, Warby Parker, Casper, Liquid Death, Olipop.

Many 21st century consumer brands have been built by internet advertising. Seems like you do, based on your comment about your book, but in general I feel like many people who say stuff like the comment above don't actually work in marketing or startups, particularly non-tech physical goods based ones, or have even run their own ads on these platforms.

Dollar Shave Club.

I didn’t need their product/service, but I only remember them a million years later because their original ad swept across the internet like wildfire.

I've never seen an internet ad for any of these. I saw a physical ad for Casper once.

I think it's safe to ask for a citation for this claim.