To be able to make a choice first requires being able to mentally process such a choice. Surely you have experienced social situations where, in hindsight, you realised there was an option you hadn't considered, or you thought "why didn't I think of this option sooner"? This option was not something you'd previously chosen not to do for trade-offs — it was simply an option completely unavailable to you earlier.
In my 13th Age game my choice to speak up was unavailable. I think some players consciously choose not to speak up, but for others, the choice is completely unavailable until someone…