It's extremely hard to make use of qualitative data without context.
For example, 36% of UK users may use an ad-blocker, and 90% of them may be a tech-oriented audience, which makes a different if your site is targeting moms.
I found the most valuable marketer's data to be qualitative data from people who've done something first-hand (I'm collecting such data on acquisition channels [1]). Qualitative data puts number-based-data in context and something you take take action on.