The goals and incentives (for companies) aren't currently aligned with our needs & problems (as a society). So a lot of resources get spent on things like advertising, that (in theory) could instead be spent on solving problems related to housing, healthcare, infrastructure, if the incentives existed or the goals were set differently.
[0] https://biomediaproject.com/bmp/ [1] I don't have a link handy to the ebook, I'm also not sure if they had permission to upload all of that content in one file or not