There are no conflicts, just alternatives. In harmony, there is room for both, and we are thankful for it. Traditional Aiki Modern Aiki Techniques are done with small circular motions, to fast conclusions. Techniques use large, fluid circles, and wider motions, with much more graceful steps. In practice, attacks are performed with sharp precision.
Attacks tend to be softer, fluid, and stylized.
Techniques are designed to neutralize an attack and control it. Techniques are designed to cripple or kill. Control is used according to the circumstances. The defender blends with the attack to neutralize it without injuring the attacker. Good ukemi is necessary, but not critical.