Just do nothing.
Let people live and die on their own merits.
The case against Cauldron:
They aggregated power unto themselves by:
-Abandoning the rest of the planet. (Who are plodding along more or less 'the same but more' as they were in the 80's)
-Subverting the U.S. government response to capes (do you really think something like the PRT wouldn't have been set up without Costa-Brown?)
-Abusing the Chief Director chair and PtV to prevent groups like the S9 and Heartbreaker from being just fucking shot! Ostensibly to farm triggers, but I don't bite. Triggers from direct contact are a drop in the bucket. The real reason is to break the American people's morale, so any given yokel on the street triggers faster. (That's what you'd call 'selling one's soul' to 'win' - You've already lost the thing you were defending.)
-Their 'experiment' with Brockton Bay, deliberately starving the place of aid. That's cruel and unnecesary. There's no point to it, no real data to obtain, it's just cruelty for cruelty's sake. That's what scientists call mengele-esque.
-And then there's the case 53's. The only arguable 'good' they did, yoinking doomed people and experimenting on them.
With not a single actual scientist present. Why? Because if they tried to tap the scientific community for help, they'd have to share.
"But what if Scion-" Scion didn't notice or care that Eidolon was running around hooked up to his wife's CPU shard! He didn't notice Dragon! One more roll of the dice, to get people who actually know what they're doing? No. They just didn't want to give up being special.
Their hubris and selfishness played right into Eden's hand, becoming a better conflict generator than an awake Eden could ever be. They're not adults. They're like rich kids running daddy's company, but with alien weaponry.
The only way the Wormverse is ever getting better is if Alexandria and Contessa are killed.
Eidolon is a jackass who'd eventually get himself killed by provoking some wildcard or other without Fortuna looking over his shoulder.
Legend's fine. By the end of canon he's just about ready to burn what's left of Cauldron to the ground himself, after all.
Number Man can only do what he does (singlehandedly making supervillainy finanically viable) because Cauldron's providing him internet access in their unreachable lair dimension. Kick him out on his ass and he's playing on the same level as people like Coil and Accord. Tough, but not untouchable.
Doctor Mother isn't. All she brings to the table is hubris. What a check to Agent influence she was.
The Cauldron base crew are just mutilated victims.
Contessa and Alexandria, the hand and fist of Cauldron, must first be killed before anyone can try and improve things without getting hit by sudden 'bad luck', the PRT PR machine, or just a bullet or fist through a Door.
This is why Cauldron must be destroyed.
Chaos is preferable to certain doom silently obeying PtV, Inviolate and their hangers-on.
Death is preferable to the stifling control imposed by PtV, Inviolate and their hangers-on.
<...>
Taylor and everyone in Bet America have been prevented from fixing their lives by a handful of lucky jackasses who were in the right place at the wrong time and grabbed power, deciding only they could be trusted with the fate of the world.
Kill them all.