The pattern of group delusions and manias described in Charles Mackay's 'Memoirs of Extraordinary Popular Delusions and the Madness of Crowds' still exists today.
The Product and UX Design space is particularly vulnerable to such delusions, with bubbles like the 'hire UX designers' burst and replaced by a 'replace designers with AI' bubble.
In Agile teams, the early stages of a project often exhibit Fear Of Looking Stupid (FOLS), which hampers innovation and leads to enshittification.
To establish a successful and innovative environment, it is critical to encourage collaboration and create a judgment-free space for sharing ideas and opinions.