Money is the Chi of the economy, without free flow of Chi a person gets ill without free flow of money an economy gets ill, money is not evil any moor than Chi is it all depends on the individual. Just because people won't to dedicate there life to an art dust mien they should starve. It's up to you to choose your teacher, it is up to you to choose wisely.
It was a good point that provokes good thought, and the analogy to a musician or painter was a good one. But there's one key difference that should be remembered: if a musician puts out a rip off album for pure money, than the person is just losing a few bucks and are somewhat disappointed, but in martial arts, if a teacher teaches poor martial arts solely for money, and then the victimized student is attacked by an assailant, then that student could get seriously hurt relying on that poor teaching. As in, ripping people off in music negatively affects their pleasure, but ripping a person off in martial arts could drastically hurt their safety.