Most people including myself don't care what is legal or illegal, if something is a victimless crime and there is 0% chance of getting caught they will go ahead and do it. What most people also care about is hearing about Amazon's treatment of employees and then hearing they don't pay taxes, what is illegal is secondary to what is ethical.
now the neighborhood kid is getting audited while Jeff Bezos goes to space tax free
amazon has revenue of $457B. 1% of that is $4.57B.
so, while amazon might be able to keep $4,570,000,000 in profit, not sure your small business owner making $1MM in revenue will be ok with $10,000 in profit.
This is an argument for marginal income taxes, which we already have. Perhaps the brackets need to be adjusted, but there is a system that already tries to reduce the burden of an entity earning much less than another.
It is also an argument for repeal of personal income tax.
The feds can print money to bail out the banksters and fund forever wars, so they can also relieve me of the burden of the personal tax compliance headaches and drop the personal income tax.