It can be dangerous. Brakes dont have as much materia to absorb/shed heat so they heat up quickly. Hot brakes have reduced stopping power. Hot brakes warp. Warped brakes have reduced stopping power. Eventually, much sooner rather than later, youre likely to burn thru that last 2mm and begin metal-on-metal contact. Metal on metal is zero braking power. It doesn’t take much metal on metal to require new rotors along w new pads. It seems (local to me at any rate) that shops dont resurface rotors anymore regardless of having enough rotor to resurface safely.

Id replace them were they mine, or if you dont have the time/ability/tools/etc find a local shop/mechanic to do the needed replacements.