I think the sense of fear the OP mentioned is valid, and I'm grateful that he felt he could discuss it here.
I won't ever buy an M9 or some other equally expensive camera. It seems somehow decadent or politically suspect to concentrate wealth in mundane objects. That's just my left-wing bias; I'm very happy for anyone who owns an M9, and wish you happy shooting with it wherever and whenever you like.
Like others who think of themselves as being on the left, I'll call you out on this one.
First, what on earth is a 'mundane object'? How is a Leica any more mundane than a lathe or a locomotive?
Second, if you do not want to see wealth concentrated in any way in objects that are not in state hands, there are only two possibilities.
One is very heavy taxation-- more than has ever proven possible in any society -- which would stop it being concentrated in anyone's hands (except the nomenklatura, where 'wealth' is demonstrated as 'what you can buy with the money you have', rather than 'how much money you have').
The other is for the wealthy man to diffuse his wealth by buying lots of different cheap rubbish instead of a few things of higher quality.
Which are you advocating?
On top of all this, there is the question of what constitutes 'wealthy'. Most people on this forum have enough money to do such things as keeping a roof over their heads and clothes on their backs, and to put food on the table. Outside the US, most of them can afford medical care too. The rest is luxury.
Living within one's means -- even, straitening one's life within those means -- may enable one person to afford an M9, where another chooses to spend the money on (as it might be) Nike trainers, new motor cars on a frequent basis, or even cigarettes: my dear late great-grandmother, who joined the Party in 1917 and some 50 years later was cremated with the Red Flag over her coffin and the local Party Secretary reading the eulogy, was a ferocious smoker. At GBP 7 for 20 cigarettes, a 40-a-day habit pays for an M9 in a year...
Cheers,
R.