Working in different products through your career , can this help understanding better business and improve , develop?

Noone in this world has absolute knowlege. you must keep on upgard it. Yes, it will help you in some sense since you are not new to product, it is like "pillars are already ready, building has to construct". But you have to update yourself with current scenarios which will give you better insights. Also knowing differnet products though your career will open more horizons.