It is a bad idea anyway. The revenue will be missing anyway, if not now then later when they are trying to re-bounce but most of their guest come to eat for 'fr

It is a bad idea anyway. The revenue will be missing anyway, if not now then later when they are trying to re-bounce but most of their guest come to eat for 'free' (well, already paid, but not for the food). If one genuinely interested in saving a restaurant should invest or better, donate.