I'd guess it is a matter of priorities (do you want the safest, best-tested environment, or something less tested?). However, assuming the source is easily boo

I'd guess it is a matter of priorities (do you want the safest, best-tested environment, or something less tested?). However, assuming the source is easily bootstrappable, someone should try producing an unofficial port to Arm and Risc V. I'm sure it would reveal some security holes, even if it isn't appropriate (yet) for tails' target audience.