There may be several reasons why young people nowadays are not willing to inherit and learn from the old brand of catering:

1. Lack of innovation: the old brand of catering is often inherited from the tradition and lacks of innovation, young people's consumption concepts and taste preferences are different from that of the older generation, they are more concerned about the fresh, healthy and fashionable catering experience, and therefore they are not willing to take over the traditional old brand.

2. Operational difficulties: Older restaurant brands have been in business for a long time, with a large number of stores, which makes them difficult to manage, and they face problems such as staff training, standardized management, and market competition, which is a huge challenge for young people, who may lack sufficient experience and ability to deal with these challenges.

3. Market changes: with the changes in consumer demand and the intensification of market competition, the old restaurant brands may face problems such as declining market share and brand awareness, which makes young people lose confidence in the traditional old restaurant brands.

4. Personal interest: Young people's personal interest and career development planning may not be consistent with the old restaurant brands, they pay more attention to their career development and personal interests, they may be more willing to start a business or choose other industries.

In summary, young people nowadays are not willing to inherit and learn from the old brand of catering, which may be caused by the lack of innovation of the traditional old brand of catering, operational difficulties, market changes and other reasons.