Earlier quoted context omitted.
May I ask: if one is not "famous" (i.e. popular), why should one expect their site to be profitable from ads alone? If my limited edition, 250-prints-per-month 'zine isn't making money, is that the advertising industry's fault, or is there an issue with my expectations? People ask the "how do we fix dwindling ad-based revenue" question all the time. The answer is clear, it's just not what people want to hear: metered…
On the other hand, this will lead to us only being able to read the blogs and personal websites of people who are able to dip into their own money and time to make and host a blog. I'd be very interested in reading about the life of exactly not that kind of person.
If you just want a blog or simple personal website, a hundred different services will host that for you for free, including Github, Wordpress, Tumblr, and others.