Both RankRanger and Moz are reporting large reductions in how often the people also ask box shows up in Google search. RankRanger shows a 12 point drop and Moz is showing a 6 point drop (they measure these differently).
Here are charts from both companies showing the significant drop off in these showing up in Google search results.
RankRanger shows a 12 point drop:
Mozcast shows a 6 point drop:
A lot of SEOs have strategies around the people also ask boxes and those strategies may change after this.
Mordy Oberstein from RankRanger is saying Product, Service, & Local keywords are most impacted.
Forum discussion at Twitter.