“…CRM research has mainly focused on investigating the factors linked with the efficacy and success of CRM campaigns (Christofi et al, 2015; Vrontis et al, 2020; Yucel‐Aybat & Hsieh, 2021), neglecting other outcomes, such as reputation and legitimacy (Kırcova & Gürce, 2019), and mediators/moderators, such as trust (Kim et al, 2015) and betrayal (Rego & Hamilton, 2021). This study incorporates the institutional perspective of organizational legitimacy (Suchman, 1995) and reputation (Fombrun et al, 2000) to investigate why customers challenged the legitimacy and reputation of brands engaging in CRM campaigns during the COVID‐19 outbreak when considering cause–brand fit (Yang & Mundel, 2021) and cause–brand alliance (Lafferty, 2007, 2009).…”