Copy quality and purchase decisions: attempt at a survey

I clicked on one sponsor’s link, “Nano Particle Solution-1260”. I read the ad, and then company’s info - FAQ, “about us”. I still have some videos to watch, it has been quite illuminating and entertaining.
What stroke me, and it could be because of the partially technical nature of the copy texts (and a degree of repetition), was the perception that the copy did not seem to be as polished as I am accustomed to. That of course is a minor issue - or is it?
I would be curious to learn other opinions - do linguistic shortcomings undermine your trust in a company and its products?
I must confess it matters to me, it certainly makes me hesitant.
I could not be bothered when I buy firewood or deicing salt, but I hesitate to buy high technology products if ads and other written materials are not edited to a certain standard. I perceive that as a sign that all boxes are not checked; and, if this one element is overlooked, what else might be overlooked?
The product in question is not positioned as basic, and apparently it is not underpriced, the company could have allocated some funds to editing and proofreading. So it matters in this case.
I am interested in others’ opinions on the importance of copy quality.
I’d rather we do not discuss the product itself, “Nano Particle Solution-1260”, at least not from a technical or scientific perspective, that seems counterproductive as very little information on those aspects is provided in its description.
Let’s limit ourselves to editorial quality of the texts and its role in our purchase decisions.
How about great production values and the perception of quality? An impressive faceplate and a slick marketing campaign always sells better with a subliminal trust of the viewer.
Wow! Yes the copy was pretty bad.
It’s perfect for a particular group within this group of audio fans.

Some just eat this stuff up with  their credit card ready.
Certainly overcoming this problem offers huge results and maybe the single most important investment you make in your system.
The problem is that we are bombarded with similar hyperbole from manufacturers of tweak-type products (and cables), who claim theirs is the key to solving your big problem and making your system sound great. I have a box of some of those tweaks in the back room.
That strokes me as a sound approach. Only the most highly polished Madison Avenue slick marketing will do for my audio dollar.
Whatever happened to boilerplate?
Indeed, nice faceplate and smooth marketing...
Well, that does give some assurance, and I do not ask for more when I need a dishwasher or a PC.
But when it comes to audio, surely that is not enough for everybody here?
I must admit that I only partially understand the underlying physics and mathematical models ... still, I am more encouraged when I read coherent white papers (e.g., like the one B&O did on Beolab 5), than hearing apparent gibberish repeating words “magnets make more music” (i.e., I watched the video);
yet quite a few audiophiles tend to dismiss B&O, often raving about “tweaks”.
- Something is rotten, but it is not in the kingdom of Danmark?