SSL has became significantly efficient on newer CPU w/ hardware supports. And even the static page itself may be not worth to steal, there may be other things valuable for sniffering such as your identity (e.g., cookie) or your browsing habits. Moreover, MitM can easily insert ads in the page without a SSL connection.

I've ever interviewed some guy from a ISP contractor (not US), their business is to mine search queries from user URLs and inject targeted ads into static pages sent to user.