Masses of regulations are complex and require lawyers - even small business tax is a mess.
Listen to it! You will enjoy it!
There is a great need to simplify regulations, but until the political system is reformed it will be hard to prevent the political class conspiring with vested interests to create regulations. Fix the cause not the symptoms.
I think this is more myth than reality. The IRS has a very good nose for finding people who are attempting this particular tax avoidance strategy.
The system we use in Australia is quite good. Corporations pay income tax, but any tax paid is passed onto the shareholders in the form of a tax credit (franking credits).