There's a ton of selection bias going on here. Terence writes mostly about open web standards and topics that would be of significant interest to folks with an RSS feed reader.
Also, RSS readers are generally automated. I know I've had them around for years pulling in articles that I never read. Like a podcast "listen" is actually just an automated download, RSS traffic does not necessarily involve anyone actually reading the article, whereas search traffic is generally high intent and is at least resulting in eyeballs on the site, if not actual readers.
Also, RSS readers are generally automated. I know I've had them around for years pulling in articles that I never read. Like a podcast "listen" is actually just an automated download, RSS traffic does not necessarily involve anyone actually reading the article, whereas search traffic is generally high intent and is at least resulting in eyeballs on the site, if not actual readers.