In long, 1) this creates a "no, you first" problem for which the solution has not been presented, 2) bad actors like China won't be stopping and will instead just take more advantage by making leaps and bounds ahead, 3) there's nothing saying we can't research consequences simultaneously, 4) this would be the first time in the history of human technological development that it is suggested we "stop and think", and that's just weird.
In long, 1) this creates a "no, you first" problem for which the solution has not been presented, 2) bad actors like China won't be stopping and will instead just take more advantage by making leaps and bounds ahead, 3) there's nothing saying we can't research consequences simultaneously, 4) this would be the first time in the history of human technological development that it is suggested we "stop and think", and that's just weird.