Ok, I don't fully agree with you, but I clicked Like because I appreciate your reasoned response.
You're right, I don't have reviews or studies to show how cards die or last for a shorter time if run like this. However, it's still a fact that the harder you push something, then the sooner it wears out, eg a bearing fan, especially a sleeved one, regardless of specific factors. It just is. Also, that noise indicates that all the other components are stressed too and greater heat and current does have specific wear characteristics on electronic components. Think about electromigration in CPUs when overclocked hard and overvolted which eventually kills them. It still happens at stock settings, but much less and takes longer.
Put all this together with the irritating noise of coil whine and it seems sensible not to push a card to this point, especially not for any length of time. Don't forget that these things are built to a price, which will add weaknesses. Do you really wanna pay over a grand for a graphics card? Oh hang on, we already do...
Thinking about it, remember how NVIDIA put out a warning regarding FurMark causing physical damage to their cards? I can't remember offhand if it was due to the heat, current, or various factors, but it was all over the tech press at the time. NVIDIA added a FurMark throttle to their drivers to avoid that damage and users bypass it at their peril. I've run it for a few minutes on every recent graphics card I bought, because they've got those big, efficient and silent coolers on them and yet the throttling is still quite marked on those as the card is kept to within its power limit. Even then, I only run it for a few minutes to test the effectiveness of the cooler for heat and noise, plus to stress it a little to see if it fails due to a hardware fault and then likely never again on that card.