I really can’t speak on the security or data privacy of it, since I’m not knowledgeable enough in these topics, but I pay 1€ per month for Port87. I just love the ability to easily create sub-adresses and never have to worry about my “main adresses” receiving the spam I get for e.g. online shopping
Additionally, if a day one patch were actually enough to fix these issues, then just delay the game by a day. That way, the launch day gamers won’t suffer through a (sometimes) unplayable experience and possibly leave bad reviews.