I can think of legitimate reasons for enterprises to MITM traffic. For example, protecting users against malware as a result of drive-by downloads or spear phis

I can think of legitimate reasons for enterprises to MITM traffic. For example, protecting users against malware as a result of drive-by downloads or spear phishing campaigns. Data loss prevention is another good reason -- I would want an enterprise that I'm trusting with my credit card data to alert on payment instruments leaving their network to gmail accounts, for instance.