If you are backing out of an offer, that is a pretty unfriendly thing to do. Not immoral, just unfriendly. Doing it to Google or Meta is fine because they very

If you are backing out of an offer, that is a pretty unfriendly thing to do. Not immoral, just unfriendly. Doing it to Google or Meta is fine because they very clearly aren't your friend. Do it to a startup and they will likely hold a grudge. Do it to your friend's business, and they will understand, but might be a little upset for a little while. It's all about circumstances.