The switch in your case front I/O is labeled as LED and is meant for controlling the fan RGB.
That same switch can be used as reset switch, if it has the same connector that goes to the MoBo.
Nowadays, who is using the hard reset anymore? Not that many people. And case makers have repurposed that switch for something else, more appealing. But yes, with such cases, you have trade-off between reset and LED switch.