It isn't called the S&P495 because they kick out 5 of the biggest companies that some people consider to be risky.
I personally think its super risky to want to be Diversified and NOT include any exposure to SpaceX. Yes, Elon is unique but that doesn't mean his companies are going to fail especially given the potential risk of AI changing the world. Is IBM going to keep selling overpriced IT outsourcing in 5 years?