Cool. Another interesting question would be how the views of a single person change over time. This would help tease out whether it's a generational trend or a generic trend with getting older.

In my own case, I only switched to finding a soft takeoff pretty likely within the last year. The change happened as I read more sources outside LessWrong that made some compelling points. (Note that I still agree that work on AI risks may have somewhat more impact in hard-takeoff scenarios, so that hard takeoffs deserve more than their probability's fraction of attention.)