That's because they take and modify what is tracked in the CPI at will
https://www.bls.gov/cpi/tables/relative-importance/home.htm
What do you find controversial, and would cause a material difference in the headline inflation rate?
alt Hacker News
https://www.bls.gov/cpi/tables/relative-importance/home.htm
What do you find controversial, and would cause a material difference in the headline inflation rate?