Thaler and Sunstein's concept of choice architecture - that small changes in how options are presented can dramatically improve decisions - has become one of the most applied ideas in behavioural economics, public policy, and design. The framework has been adopted far beyond its original context: Jon Yablonski applies nudge principles to UX design, Eli Pariser argues that personalization algorithms function as powerful nudges shaping information consumption, and Nicholas Carr shows how internet defaults nudge users toward shallow browsing.
The book has also attracted substantive criticism - Virginia Eubanks argues that when nudge-style architecture is embedded in welfare algorithms it becomes coercive surveillance, and Gerd Gigerenzer challenges the underlying assumption that people need paternalistic guidance. Despite these debates, the core idea that defaults and framing matter enormously remains widely accepted across disciplines.