Should we remove or keep non-functional pads?

FAQ about printed circuit boardsDESIGN RULES

It’s clearlydefined in IPC-2222A point 9.1.4 that the fabricator shall not remove these,but many factories ask they allowance to remove these to achieve a better yieldin production. If they are not critical for the function, werecommend consider allowing their removal.

Illustration of removing or keeping non-functional pads.