No one expects the ...
Oh people don't have a clue about the data protection laws.
And frankly anyone can be sued for breaching confidentiality agreements.
Yes, the answer is don't buy from corporates, the world won't end if they don't exist, in fact it would be a far more interesting place if they didn't.
They don't make things cheaper that is just a misconception, what they do is dominate an area by driving out local business that is offering a sane price for things, by undercutting and selling at a price that is unsustainable unless you have operations elsewhere which can support that move.
When the competition is removed they then hike the price higher than before, and pay people less so they can profit at the expense of others. They take from both ends of the spectrum, reducing wealth for the majority. Don't support them, shop elsewhere. And don't work for them, they are an illusion, and serve to keep the majority shackled.
If you are working for them, why not get together, club together some cash, and strike out on your own, doing what you have doing for them, but instead do it for yourselves. M&S started out as a market stall, you get the pircture. You will probably earn more over time, and it brings back community.