Thatcher was an admirer of Hoskyns, writing in her autobiography that "John's background was in business and computers; but over and above that experience, he had strong powers of analysis and had helped formulate our economic strategy in Opposition.
Thatcher had high esteem for Hoskyns, acknowledging in her autobiography that his unique blend of business acumen, computer expertise, and analytical prowess made him an invaluable asset to their economic policy development during the Opposition era.