You can create a new email address if your previous one is blacklisted.
The idea is that no one needs permission in both cases, and the message can be sent only to the intended recipient without a middleman reading its contents. BTC is the same with money.
The same FUD was ignited against encryption back in the day, and "save the children" hysteria still is ablaze if you live in the UK.
Email used to do that, I guess, but now if GMail doesn't like you there may be problems.