The idea in using contractors is to avoid the legal framework associated with regular employment. Non compete clauses, colusion amongst employers, blacklists e

The idea in using contractors is to avoid the legal framework associated with regular employment. Non compete clauses, colusion amongst employers, blacklists etc. is regulated in most countries when it comes to employment but much weaker regulated when it comes to contractors. It pays more but long term contractors often get the short end of the stick.