If your plans are endangering the life of everyone on the planet, you're the bad guy.
Even if your plan actually works out, you still risked the lives of billions, you're the bad guy.
If you conquer the world, you're the bad guy.
If you try to bribe people by giving them free food and energy, giving the whales legs, and fusing the tectonic plates, you still conquered the world and crushed any dissent, you're still the bad guy.
If you forcibly disarm everyone so they can't oppose you, you're the bad guy.
If you imprison your opponents in a Hell dimension full of demons, you're the bad guy.
If you flood a country and kill people, you're the bad guy.
If everything goes wrong for you, and you try to destroy the world, you're the bad guy.
It may be difficult for you to accept that the team you backed turned out to be the bad guys, but you've had years to accept it.