"simple wedging on an insole is not the same as a prefab or custom orthotic"

Quote from PA in an earlier thread. Why isn’t it? Kinetically, what is the difference between ‘simple wedging on an insole’ and wedging incorporated within a prefab/custom orthoses?

Quote from PA in an earlier thread. Why isn’t it? Kinetically, what is the difference between ‘simple wedging on an insole’ and wedging incorporated within a prefab/custom orthoses?

Link:
"simple wedging on an insole is not the same as a prefab or custom orthotic"