The two best reasons to ship anything are:
1.Incredible, deep and detailed narrative themes. The parallels that seem to hit just right, the narrative foils that they can be to each other, the intricate dynamic that's both extremely complex and easily understood. The juxtaposition between something that's harsh and undoubtedly toxic, with the softer undertones, the parts where you read in-between the lines and find a mutual feeling of loneliness from both parts, their intrinsic understanding of each other comes from the mere fact that they're each others mirrored reflections and shadows. In the end both sides will be together forever, and you as an audience can clearly see their tragedy laid out before in a path that blurs pure anguish and tender romance
2.It would be so fucking funny