Really, we don't have enough information to answer this question, I mean, do we know what the sealion's stance is on the capitol gains tax? and what type of guns are the sealion made up of? handguns? rifles? shotguns? Who is the hypothetical brony in this situation? us or the sealion? This is important information that could greatly effect who gets saved in this scenario.
I mean, if we save Anita, then that obviously means that she will eventually be given primetime animated sitcom based on her wacky internet drowning adventures, written by Wil Wheaton and her character will be voiced by Seth Green of course. Eventually the U.S. congress will declare Totalbiscuit to be an enemy of the state and send SEAL team 6 after him, leaving Pewdiepie to try and step up as a serious games journalist and eventually becoming the gaming version of Walter Cronkite.
Sure, the sitcom will win a lot of emmy's, and it will push Valve to release Half-life 3, as well as the eventual destruction of EA leaving Bioware to be an independent company that hires on all of Obsidian to help write their future games, but we all know Anita will turn into a total diva about it and the internet will never hear the end of her gloating.
Now, if we rescue the ME3 ending, that could give EA the idea that the ME3 ending is exactly what gamers want, so all their future releases will feature a random ghost child showing up at the end to give the player the choice to change the world in one of three ways, yes, even Madden will feature this ending, although critics may consider that an improvement, as Madden 2k18 will win GOTY for it's heartwrenching tale of love and betrayal. The success of the ME3 ending will spur EA to buy out Valve and CD Projekt Red in order to, in their words, "bring the best of PC gaming into an arena where they can focus on broader appeal console titles for our new exclusive contract with the Xbox one".
On the bright side, the loss of Anita will leave the internet rage machine adrift without one of the cornerstones of their ire, bringing together the gaming community in peace and harmony, to play all the wonderful new exclusive xbox one Half-life and Witcher games after Valve eventually discontinues its Steam service and locks out everyones Steam libraries.
It all seems fairly straightforward to me, we just need some specifics here.