Especially because the solution is one of those things that seem completely over engineered, but seems the only way to solve the problem without resorting to checkpoints. In that same category you also find ASmap, a compressed map of the internet in order to deal with eclipse attacks from entities with very diverse IP ranges. As explained here: https://bitcoinexplainedpodcast.com/@nado/episodes/erebus-attacks-and-how-to-stop-them-with-asmap-nado-18 Although that latter feature is still not shipped by default, it might soon(tm).