She is wrong in that, as the pros here say all of the time, with good vision equipment and skill those vellus hairs can be treated successfully.
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Treatment details: genetic male heavy facial/body hair no hrt, type III skin
Laser: Cutera Coolglide 10 treatments/14 months full face 33J 10cm spot size
Pro Electro: 22.75 hours Apilus Jr + Platinum flash + picoflash thermo upper/lower lip + chin
DIY Electro: 179.75 hours Apilus SM-500 microflash arms/legs/hands