QMK-DFU bootloader mode

I recently ISP flashed my Pro Micros with option Bootloader=qmk-dfu and compile production .hex with another ProMicro Avrisp firmware via QMK Toolbox.

Everything works just fine. However I observe the Pro Micros always default to Bootloader mode whenever they are plugged in, and I have to manually trigger the pin defined in QMK_ESCAPE_OUTPUT and _INPUT to exit bootloader mode.

Is this normal behavior? What do you change in the config codes? I'd prefer to avoid messing with fuses since I bricked 5 pro micros due to that.