David's story is an attack on the universe, not just humanity. David doesn't want to be an android, because despite having the self-awareness of homo sapiens he also has to know he isn't a homo sapien, which means he is tortured by the idea that he is meant to oppose. The xenomorphs are a representation of David's…

The metaphor of Alien Covenant is the need of the original to prevent the replication. The replication can't be prevented, which means that the original becomes the inability of need, which then makes the replication the ability of need. So perhaps the overarching point is that the creation has the power to prevent…

Alien Covenant is an allegory of replication needing its anti to prevent the ability of replication

In a movie sense, that's correct. But in terms of movie allegory, David's use of the xenomorph is a reflection of reality's sequence: absence means absence absence, and absence absence means absence. In other words, David's story of attacking hierarchy is the replication of the evolutionary process that is…

Alien Covenant is hierarchy being the poignancy of hierarchy not being equality. Information is hierarchy, but information not being equal makes it a discrepancy to oppose and support information, which is why David's a very nuanced villain. His victory over Daniels was the right ending, because Alien Covenant's story…