Is a full-face CBRN gas mask worth it for most buyers?

For typical DIY, painting, and dust applications, specialist communities say no. Full-face CBRN masks like the MIRA CM-6M draw polarized reviews, with several r/gasmasks and r/tacticalgear threads calling them overpriced for what most people need, while r/preppers voices defend them for emergency preparedness. Most buyers are better served by a half-face elastomeric.