I found this online and I wanted to share it because I’m seeing so many people interpreting ST finale in a nihilistic and defeatist way (especially for Mike), while there’s so much more:
A lot of the confusion about Eleven's fate comes from expecting a factual answer, when the finale is clearly symbolic and emotional, not literal.
The show intentionally doesn't tell us whether Eleven lived or died. That mirrors real life. When someone leaves your life… a breakup, a disappearance, or death… you don't actually know their inner reality. You don't know if an ex is happy, miserable, with someone else, alone, or still thinking about you. When someone dies, we don't know if they're in heaven, if there's nothing, or if something of them lingers. What we do know is how we cope with not knowing.
That's exactly what Mike's explanation represents. It's not a scientific answer: it's a human one. Notice how the group is crying, holding each other, and choosing to believe the version that allows them to keep living. That's love. That's how people survive loss.
The Squawk conversation between the older kids reinforces this. It's one of the most honest scenes in the whole show… adults acknowledging that growing up means accepting uncertainty, regret, and unanswered questions. Everyone has had that moment where you realize some things don't get closure, and you still have to move forward anyway. And then the final scene completes the message: the torch is passed. Holly and the new generation sit down to play D&D, just like the original kids did. Mike looks at them and smiles… not because everything turned out perfect, but because life continues. The story doesn't end; it evolves.
If the writers wanted to give a clean answer about Eleven, they would have shown it. They didn't because ambiguity here is the point. Eleven stops being a lab experiment or a government target and becomes something bigger… a memory, a sacrifice, a legend.
The finale isn't asking "What physically happened to Eleven?" It's asking "How do we live when we don't get to know?"
And the answer the show gives is: we hold onto love, we pass the torch, and we keep going.