No they know, the article even points it out at the end,
Big picture: Lay’s generates about 60% of PepsiCo’s annual sales but has seen sales slip every quarter for the last three years. Consumers in every income bracket have been ditching classic snack brands amid rising prices.
Pepsico thinks people will buy more if they rebrand as being healthier.
The idiots in charge thought consumers wouldn’t notice shrinkflation and don’t understand why consumers are buying less.
No they know, the article even points it out at the end,
Emphasis mine.