TBH I understand the underlying legal reason they dont support rooted devices. I would hope that D* would get a little more realistic and realize there is a large number of users that do root for varying reasons 99% of which wouldnt do it to steal D* content. Myself for example my last phone was rooted and running custom roms from day one. My new Galaxy S4 the only reason I have rooted it so far is to take out the T-mobile startup and shutdown sounds as they were so loud they were making distorted cracking and poping sounds so I removed them.
The popup that calls it security tampered.... maybe try altered it sounds less inflammatory. It may be splitting hairs but..