[jsn]

Yes, you can re-host, but propagating the new URL to your users will take days, and the authorities reaction time is, for high profile cases, measured in hours. Another interesting question is how will you propagate the new URL? To do that, you need some way to reach your users when your website is down. And if you have such a way, do you really need a website?

[vbezhenar]

Just e-mail people an update from random address with GPG signature. That should be the more resilient and hard to block way to communicate information. It's fun when the old proven tech proves superior to new shiny tech.

[gatronicus]

Just as the gov required google to remove the app they can also require the big email providers to block all emails with links to it.

99% of the people are on the big email providers.

Also, you will quickly find out that sending many emails from random addresses (ie: spamming) doesn't work these days, they will be blocked by existing anti-spamming techniques, as evidenced by multiple posts on HN of people trying to do that from their own mail server.

You need to go through a whitelisted mail service (MailChimp, ...) which is another block point.