I always thought it was so interesting that Megatron had the chance to end him yet the second he lost his memory it seemed like mechatron show his good side
@@ShivChaurasia-wi5sklater we see that Soundwave can decode the database too. Killing Optimus while he had amnesia would assure Decepticon victory. But he still found an excuse to not kill him. Deep down, he probably respects Optimus the most and sees him as his only equal.