Well, that's really just "-setra" and other file system mounting options, and mdadm (Linux software RAID) configuration options. Yes, there's a little bit of a learning curve and pain to get things set up, but it's not completely out of reach.
Despite being relatively old, I think the advice and approach still holds. Clearly, EBS hasn't improved since then and the need to do this kind of striping over EBS volumes hasn't been obviated yet.
Plus, that's a year old, would love to see some updated advice. You'd think Amazon would write more guides like this.