I think the measure is more targeted at preventing people from starting smoking. The menthol apparently alters how you process nicotine, and studies have shown menthol cigarettes to be more addictive by themselves, even ignoring the whole marketing aspect.

All the zoomers are smoking Kools. Look it up

They tried banning flavored cigarettes before, and promptly got told off for racism as soon as the media realized that flavored included menthols. What happened?