Meat lovers may find it distasteful to think they are eating human genes with their salad or pork chops. A number may also have religious objections. Consumers have a right to know, but labelling may well lead to an effective ban of some foods which are safe and uncontroversial. Far simpler to have a notice at the entrance reassuring customers that only traditional foods will be sold. City pundits will be watching the situation closely.
Biotech investment is high risk.
There are vast profits to be made, and a few fortunes waiting to be lost. In the meantime you and I may never look at a bacon sandwich or a tomato salad in quite the same way again.