I agree with you, the government is no moral right to rule over you; even if the majority agree to form a representative government. No matter how a government is formed, it only exists as long as the majority continue to believe it is legitimate. However, the utopic vision of anarcho-capitalist ostracism, DROs and defense insurance providers also requires the majority concede to the immorality of government by force of the majority.
"Sovereign Citizen" is an oxymoron term invented by the same gov agents to ridicule the real sovereign individuals.
Read one of the Lux daily pills on SN about this: https://stacker.news/items/665318
To reply to your note I will reply with a simple meme:

Discussion
I will strongly suggest to watch and pay attention to the details the short series by Larken Rose - The island:
Part one:
https://www.youtube.com/watch?v=2pseCI0AxgM
Part two:
https://www.youtube.com/watch?v=3aSG0_trfp8
Part three: