10,000 hours rule is BS

Simply putting in 10,000 hours of practice does not guarantee mastery. The quality of the practice is also important, including the use of feedback and the use of deliberate and purposeful practice.

Some individuals have a genetic predisposition for certain skills or talents and may require less time to reach a level of expertise than others.

The 10,000 hours rule assumes a consistent and predictable learning environment, but real-life contexts can vary widely and affect the speed and quality of learning

The 10,000 hours rule places too much emphasis on the quantity of practice and may lead people to overlook other important factors that contribute to success.

Individuals may reach a plateau in their learning, where they no longer make progress despite continuing to practice.

Different people have different learning styles and preferences, and what works for one person may not work for another.

The definition of what it means to be an "expert" can vary depending on the context, making it difficult to establish a hard-and-fast rule for achieving expertise.

The process of becoming an expert is complex and multifaceted, and cannot be reduced to a simple formula.

Factors such as luck, opportunity, and external support can also play a role in achieving expertise.

The research that Gladwell based his rule on is limited and may not be representative of all fields or populations.

The 10,000 hours rule cannot be applied universally to all individuals or fields, and may not be the best approach for everyone.