I hope I'm not saying a BS, but as far as I remember back in RSE they both wanted to enlarge the Sea/Ocean for the Pokèmon and people.
So yeah, I guess that they're developments of the remakes.
That was the crux of it at the time. I like the more developed version of these teams, though. Their motivations are more in line with some of the other teams we have seen since.
Wow, if that's correct, it's a huge development. Before it was pretty dumb, but now they really sound serious.
Magma seems like a more "traditional" evil team: using Pokémons to benefit themselves, thinking them as only tools to mankind.
Aqua doesn't sound so good. We could see them as an activist group for Pokémon rights that went too far, what makes it different to what we're used to, but still sounds dumb. I mean, there are Pokémon on the land too, even more than aquatic ones.
Even though Magma seems more logical for an evil team, now i'm curious to how they'll develop Aqua's motivations. Plus, Kyogre is my favorite Pokémon and i love Sableye/Seviper, no Alpha Sapphire is still the way to go for me!