Both ideas can be true. It’s not on their radar because despite their popularity in consumer space they can’t find a business purpose that aligns with their self interests that require such user information. If I’m running a free podcast, in contrast, I might be happy anyone’s even bothering to visit and listen to what I have to say compared to who they are and whether I can assign a monetary value to their attention because spending money on something without clear, intentional, measurable ROI is anathema to our predominant modus operandi in business