“Bain & Company’s latest survey of almost 30,000 banking customers in 11 countries found that the respondents who agreed that their bank personalizes the experience are more likely to reward it with a higher NPS. There’s a 123-point difference in NPS between respondents who strongly agree that their bank interacts based on knowing who they are and those who strongly disagree.”
https://hbr.org/2023/08/using-ai-to-build-stronger-connections-with-customers