How I Would Invest £10,000...

The video likely performed well due to its clear, actionable advice on a topic of broad interest (personal finance and investing), presented in a simple, easy-to-understand manner with a relatable hook and a surprising projection.

The creator outlines a simple investment strategy for £10,000, suggesting splitting the funds between the NASDAQ 100 and the S&P 500 via exchange-traded funds. They project significant growth over 10 years, questioning why this straightforward approach isn't more widely adopted.