Why is the final hidden state of a Bidirectional LSTM formed by concatenating both forward and backward states?

Question

Accepted Answer

Together they capture the full context of the sentence from both directions

Accepted Answer

The forward pass only sees words to the left; the backward pass only sees words to the right

Accepted Answer

Sentiment often depends on words appearing both before and after the key word

Answer

The backward state is always more accurate than the forward state

Crowdly