No, it isn't. You can't say you could care less. You can, but it doesn't make sense, because it implies you sorta care, but not really. Now, I couldn't care less makes it very clear that you couldn't give a single fuck about the topic at hand. Also, you used "of" instead of "about", that's definitely incorrect.
i never said anything of his speech, i was saying that the autobots were using the ark In ghost of yesterday despite the ark should be on the moon at moment, but foundatino reveals that the autobots actually had 2 Arks