The TIF is achieved legitimately by signing up the student for a temporary free RAAus membership.
This system is well sorted and has been the case for many a years and is all legal.
All RAAus schools do TIF’s, however some do a lot more than others, particularly in areas with high tourist flow or other effective methods of advertising.
Option (ii) above covers Soar’s TIF’s.
Their business practices on the other hand, are not something that CASA or RAAus have control over.