Whats people's opinions on riseup.net as an email provider

I know their anti capatalist, terrorist supporting ...

But they offer secure email.

I managed to get an invite and this was the first email I received (standard registration email)

www.mediagoblin.xyz/riseup.txt

> Welcome to your new riseup.net email account! We know you are busy making trouble and changing the world... but can save yourself and us a lot of trouble by reading this email.