Yes indeedy, all lense/mask manufacturers say the same thing to save themselves from court cases.it's JT doing the sensible thing to prevent court cases.
If they didn't write that on their products, someone's lense would break at that crucial time, and JT would get it in the neck.
It's you're own choice, i'm just explaining why it says what it says.
I carry no responsibility for your safety by posting this information