No matter what a 6A school with 3 Tubas would not make finals. A 6A school marching a stock show with only 3 directors, (instead of all the specialist), will not make finals. A 6A school with NO private lessons will not make finals.
Not taking anything away from these great programs. But we have to stop the unicorn farts and saying that better teaching would simply solve the problem.
Either cap spending, make classifications based on the number of students on the field (including alternates moving props and not given spots), or accept that economics will continue to drive the finalist list.