Earlier quoted context omitted.
True. I'll guess (can't access the original report) that it's something like "expressly designated vegan version of main course items". For example, this from the Guardian: ... the owner of I Am Doner, a pair of kebab shops in Leeds and Harrogate, said his vegan kebab routinely outsold chicken, halloumi and falafel. Made from seitan, a meat substitute derived from wheat gluten, the “voner” kebab sometimes outsells th…
Falafel themselves might or might not be vegan (I've seen recipes that contain eggs, and some that don't), but it would almost certainly be served with a yogurt-based sauce.
Edit - also the traditional way to make falafel is vegan as it originated as a fasting food for Middle Eastern Christians (traditional fasting rules dictate no animal products).