The original argument to which I responded is a classical rhetorical maneuver known as the fallacy of relative privation ("I've had it worse, so you can't complain"). Argumentation aimed primarily at stifling dissent or self-aggrandizement (only the former seems intended here).
I've been following Tesla for several years, and following TMC closely for a few months, and, even allowing for the typical extreme bias of internet forums, it's still clear to me that Tesla's reputation for outstanding customer service has taken some serious hits over the past several months (center console, P85D HP, tire rotations in annual service, the "extended warranty" contractual language, slippage in Model X schedule, abridgment of the Ranger service offering, arguable slippage in auto-pilot features, etc.). None of them in themselves is earth-shattering, but taken as a pattern, they are concerning. Given that automobiles are practically a luxury in themselves in this day and age, and luxury automobiles are one by definition, the last thing a company like Tesla needs is to be a company whose products you buy in spite of their reputation for dealing with customers.
I agree, Tesla is a "Grand Experiment" -- and the reason that people will vote with their wallets to go along is if they get something they can't get elsewhere. You've got to nurture and foster that passionate early adopter base, not take them for granted or signal that when you "grow up" as a company you won't treat them any better than anyone else does.
For me, I was pretty much totally sold on Tesla's grand vision a few months ago. Now, I'm more unsure than I was then, and I expected the opposite. I'm still more inclined to buy than not, but I've got some reservations now -- ones I didn't have a few months ago, about how Tesla will treat me as an owner.
It's fine to belittle potential buyers, telling them to "go buy a ford", or "if you have concerns, then Tesla is not for you," but that kind of parochial attitude will not lead to Tesla's vision coming to pass. It would, if carried to its logical extreme, cause it to die in the cradle.
And that would be a shame.