Paying extra for email should get you more features, more privacy, more security. From ProtonMail’s Transparency Report:
ProtonMail may receive requests for assistance from law enforcement authorities. As a strict general rule, ProtonMail only complies with legally binding orders that have been approved by Swiss authorities. Moreover, under article 271 of the Swiss Criminal Code, it is an offence to comply with foreign requests that have not been approved by the Swiss authorities.
Whatever happened to encryption?