The author mentions she pays for an NYTimes subscription presumably because she gets a lot of value from their content. I pony up the same for a handful of websites and services that I choose to support. It's certainly not a democracy but there is some logic to "voting with your wallet".
I hate ads as much as the next person but one thing I hate even more is a great service or product going the way of the dodo because there's no viable way to make something free forever.