Is it necessarily true that, all else the same, an index with more stocks is better? What

Question:

Is it necessarily true that, all else the same, an index with more stocks is better? What is the issue here?

Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing...

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