If politics is off-top why are some of the most popular and frequent topics things like: The CHIPS and Science Act, The SLS rocket, California Zoning Laws, Dru

If politics is off-top why are some of the most popular and frequent topics things like: The CHIPS and Science Act, The SLS rocket, California Zoning Laws, Drug policy in the bay area, The Digital Markets Act in the EU? It seems to me that 'politics' is just used as a euphemism for 'taboo' and there are many unspoken taboos about what is talked and not talked about here.