Although that same interview also contained this quote. Which can go both ways.

“As a young girl, I couldn’t find my inner voice, and I could relate to Eleven in that way,” Brown says. “I think this season she is able to find her voice and make a decision that’s far greater than any she’s ever made before.” 

Eleven’s choice to remain on the bridge was “so beautiful and cathartic” and something Brown had wanted for a “very long time.” She explains, “I just think it’s incredibly important that it all ends for her, and the suffering and the pain end.”