I'm not sure why the development of ki and the practice of aikido are treated separately.
I believe the answer is that Osensei was disallowed from showing the solo exercises that he learned in DR. That kind of approach has made it to the States in various forms and has been producing impressive results.
The approach was good enough for him, but not for us? Not buying it.
Compassion and humanity will strengthen by conscious effort.
More depth in ego-free motion will certainly help more than hurt. Will some individuals go to the dark side of the force, of course. So we need more and more jedi. Go learn the faster track internal skills yourselves and raise up an army of powerful and compassionate people.