I wouldn't try to micro analyze the reasons for your layoff. The "speak up in meetings" critique is a standard go-to for performance reviews. It basically means

I wouldn't try to micro analyze the reasons for your layoff. The "speak up in meetings" critique is a standard go-to for performance reviews. It basically means you are doing pretty good and they just need some filler for the critique section. This is a time of troubles. People of all personality types are getting laid off.