The problem is the constant genetic tinkering, it ends up leading to several phenotypes. One of the downsides to autos is there is no real counter to that issue(i.e. cloning). It would be cool to find out what strains out there are almost completely stabilized down to one phenotype, I'm not sure if that's realistic though. What I find problematic with airpots is that they are taller than they are wide, which with only about one and a half meters(63") of vertical space can be problematic.