I don't still understand what really the hype is here, agent is just "A SMART FUNCTION CALLING ROUTER" at ground level, nothing more nothing less Can be called

I don't still understand what really the hype is here, agent is just "A SMART FUNCTION CALLING ROUTER" at ground level, nothing more nothing less Can be called as smart bot or bot 2.0 or something, but agent is way too much. Nothing really is agentic in agents