I pointed this out to Joe recently and he similarly said that if we break the window we’ll be luck that someone isn’t dead and the cost of the window is nothing…
Point being this should be engineered with safety so this can’t happen, although it does raise a point that in hindsight, that the location of the lathe is probably not the best, however it is done now, so there it shall remain.
It would be good to consider about lubricant splashing as that has already happened and it is a pain to clean the glass.