Is there a legal lesson to take from this when it comes to using cloud services hosted in the US where you can be affected by US laws just because you hosted a

Is there a legal lesson to take from this when it comes to using cloud services hosted in the US where you can be affected by US laws just because you hosted a site with links to PDFs from Elsevier in an S3 bucket which itself happens to be pointing to a US datacenter? I haven't read it all, but there must be more to it than having used a US hoster that made the guy an easy litigation target.