Originally posted by Grimwolf:

You only get raided if you are at a base so unless you are minecrafting for hours it will almost never happen. I rarely get raided as I am off doing other things away from base 90% of the time.

As others have also said you can cheese the AI and just dig a moat and minecraft to your hearts content.

I was building a new base on two of the raids so I was spending a lot of time there,