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raynef2005 said..
Engineered stone is made up of up to 97% silica. As a comparison, natural marble and limestone benchtops are made of about 2% silica.
The issue is the silica content, and cutting high silica content products inside a factory. Some stonemasons factories have suitable extraction systems but regardless it is still a lot riskier to health using engineered stone compared to marble.
The stonemasons working with this stuff are getting ill and dying in high numbers, that's why they want to ban it.
If all manufacturers and installers had instigated wet cutting only protocols when the problem first became apparent then there would be no stamping of feet and wringing of hands. A well designed and built wet cutting system can be almost completely enclosed so no dust extraction systems required. Even onsite adjustments and holes for sinks and tapware can be done utilizing wet cutting and sullage containment.
Another example of ignoring the problem won't make it go away.