Laudable design but...
Yes, this young woman did a good job, but guts? No. She did what students worldwide have done as assignments for years; redesign a logo. ANY call for design work that is unpaid is unethical in the professional world of design. ANY hiring agency that asks for or requires unpaid work as part of the job application process is unethical. Read the Graphic Artists Guild Handbook, or consult AIGA articles and documents.