You never will be on a level playing field because there will always be people who break the law.I have no objection to that providing that I am on a level playing field ie everybody else is made to follow a legal route
And that goes for so many other fields too - you are probably competing with people who don't tax or insure their vans, wo fiddle ther income tax and VAT, use red diesel, shoplift their sarnies from Tescos etc.
Gonna join them?