Earlier quoted context omitted.
No. A well trafficked website or ads are distribution channels. Getting a mention in a newspaper likewise. Just putting something up on the Internet and hoping will get you nowhere.
There are a million free or extremely cheap distribution channels on the internet. My current business with 7 figures ARR was launched almost exclusively on industry forums and there are no connections required to create an Adwords account. There are countless businesses that started on Reddit or even here on Hacker News with a $0 advertising budget.
Of course it's possible to get extremely good ROI on free advertising (especially if your product is excellent or unique), but it's the exception, not the rule.