Are you and your supporters for real.
Do you think money grows on plants in vulnerable people's houses.
If you spend their money on stuff that you deign essential/simple that they then can't eat
(no teeth, false teeth, swallowing problems, chewing problems, jaw problems, allergies, Coeliac disease, other gut disorders/diseases, certain medications can randomly interact dangerously with some foods/drinks, they dislike your approved choices to the point the sight or smell of it makes them puke not to mention you seem to think vegetarians and vegans don't exist)
They are going to be left looking at food they can't eat with no money to get more.
What if an elderly person needs some specific size of incontinence pads? You going to tell them to hold it or stop drinking fluids so as not to inconvenience you because you can only easily see the little ones as you run up the aisle as fast as ye little feet can carry you.
If you want to help, HELP.
If you want to do a bit of virtue signalling while exercising your will over vulnerable people, then don't volunteer.
Vulnerable people don't need your ladyship sitting in judgement over what food they like.
Why not just buy a load of cheap oats and tell em all to eat porridge or starve. That simple enough for you?
I wonder if you exercise personal taste over what you eat or do eat any old shit somebody throws at you.
They are vulnerable adults in a modern western society and used to the same choices you have.
Your dismissive attitude is...well, I can't find the words actually.
Y A B V U