Enabling the Person Accounts feature is irreversible is something that the consultant should consider when evaluating Person Accounts. Person Accounts are a type of account that represent individual consumers rather than business accounts. Enabling Person Accounts is a permanent action that cannot be undone or deactivated once it is done. Therefore, the consultant should carefully evaluate the pros and cons of using Person Accounts and make sure that Cloud Kicks understands the implications and limitations of this feature before enabling it.