I don't believe I stated that they were feeding on dropped scraps or litter...you assume John!...indeed they were harassing people 'Seagull Style' They learn quickly as you must be aware...a bit like the Sea Eagles on Mull that are baited for the cameras...we have had the pleasure of seeing them there going about their wild business as on Skye and several of the outer Hebridean Isles over the course of the last few years. I do not hold with preforming animals in zoo's, there is no great distance between a bear preforming for reward or Sea Eagle waiting for a fish to be thrown off the stern of a boat, but that rarely becomes apparent in final images; but everyone to his own.
Here in the 'Smoke' we see Foxes day and night, they are not in the slightest wary of humans or traffic most are not as beautiful as in your photos, many look Manged and generally ill, but not all. We have plagues of Rats since the Vermin controllers have stopped baiting because of the pandemic, and I have watched the Foxes ignoring them, there are plenty of easy pickings. I am happy they don't hunt, the Rats, full of the slow acting poisons used today would surely see their slow demise; Poisoned Rats are a sickening sight.