Kammala wannan jumla: McGregor ya nuna adawarsa ga Brexit. Kodayake yana adawa da 'yancin kai na Scotland daga Birtaniya a cikin
A cikin zaben raba gardama na Scotland na 2014, daga baya ya bayyana yayin wata hira cewa da ya zabi Scotland ta bar Burtaniya idan da ya sami damar jefa kuri'arsa a ranar da Burtaniya ta bar Tarayyar Turai. A cikin 2020 ya nuna goyon bayansa ga 'yancin Scottish, yana cewa "lokaci ya yi".