Never trust a corporation, period. Their incentives are to maximize profits from whatever revenue streams they have, no matter what they tell you. There are ways they can do this that are at least in the gray area of legality,such as:
A class-action lawsuit was filed against CVS Health Corporation (CVS) in May 2022 accusing the company of “deceptive fund-raising in a campaign it held for the American Diabetes Association,” according to The Boston Globe. Also according to The Boston Globe article, “Prior to each customer’s transaction, a checkout screen prompts the customer with several options for pre-selected dollar amounts, as well as an opt-out option, allowing donations to the diabetes association. Yet, the plaintiff alleges, CVS did not forward donations to the diabetes association, but instead applied the donations toward a legally binding $10 million obligation CVS made to the diabetes association.”
Side note: I'm not an expert on these donations or anything, but rather the practice of corporations exploiting everything they can is so predictable that I knew all I had to do was search...