What does one do with too much commercialization on the Internet?

Spam and hype ads are online marketing strategies many people use. Spam emails are irritating and articles with too much hype are not engaging. Because of these, criticism regarding the commercialization on the Internet have arisen. Some online marketers recommend the use of copywriting SEO, which qualified companies can provide. They claim that it is the most effective strategy to advertise online. Do you think it is really effective? Can subtle advertisement leave a lasting impression on people's minds?