Earlier quoted context omitted.
Tax evasion is rife: How many tradesmen fixing stuff around your house for cash will report that income on their return ? Governments can get most of their revenue with little economic distortion by taxing stuff where evasion is much harder: Fuel taxes and property taxes.
Tax evasion is people stealing from you, just in an indirect way. Just because some people already steal from us doesn't mean it's OK for other (richer) people to steal even more from us. You may believe there's a better way for the government to tax us, but that's not how the system works currently. Crypto being used for tax evasion is a good reason for it to be regulated out of existence.
If you are Donald Trump or Nancy Pelosi, other rules apply to you, because they are the ones who write the rules or lobby for them.