"would" has multiple uses.
In this context, "would" indicates a habit in the past which may or may not be a habit now.
Example: Last year, my brother would walk to work.
(= Last year, my brother always/usually walked to work. We don't know about now.)
"used to" indicates a habit or state in the past which is no longer true.
Example: Last year, my brother used to walk to work. (but not anymore)
When my brother was a child, he was skinny (but not anymore)