This does not legalize theft, it says sites cannot respond to suspected scrapers differently than they respond to non-suspected scrapers. You can still rate limit, as long as you do it universally to all site users
Copyright law is unchanged. If someone scrapes your blog and then re-uses your posts on their own blog, you still have possible copyright infringement claim
Copyright law is unchanged. If someone scrapes your blog and then re-uses your posts on their own blog, you still have possible copyright infringement claim