Well stated biglou.
If folks are worried about the food safeness of crazing... check out the use of porous clay cookers of various types that are all the rage at the moment for gormet cooking. Also look at the current issue of Potery Making Illustrated and the micaceous clay beanpot article. Serious tea drinkers are looking for the porous qualities of things like Yixing and Tokoname teapots...and they never use any soap on them.
Another thing to look at in the "what is food safe" discussion........ what the use of various PLASTICS (containers, bottles, plastic bags and wraps, etc.) get into your food. I'll take porous and crazed clay issues and even some potential ceramic glaze leaching (other than lead and cadmium) over that crap.
Just about NOTHING is totally inert. So anything that you use to cook and serve food likely has the potential to affect it in some way. Pick your poison.
Another related issue here is that studies have recently been done that show that the heavy use of "sanitizing agents" is possibly not so good for us. If we are not exposed to low levels of bacteria and such in our environment, our immune systems do not develop well. We actually are at MORE risk from their use, rather than less.
(Separate non-re lated issue is the antibiotic resistant bacteria that use of some of these anti-bacterial agents is causing.)
PS: (Side note....... learn about what is in FIMO and other moldable plastics ---I will NOT call it "clay"--- before letting your kids use it without serious protective measures!!!! Or yourself for that matter.)
Professor of Ceramics; New Hampshire Insitute of Art
Guest Professor, Wuxi Institute of Arts and Science, Yixing, China
Former President and Past President; Potters Council