The great aluminium debacle

That is why you pay Class fees and for Class approved items. You pay someone else to do it for you. Assuming they follow the correct procedure and that you specify exactly what it is you want of course. Since you only get what you pay for...

So, if a mistake is made, it is theirs, not yours

 

Well, it is if you can afford to pay the litigation fees. You may get them back, but what a process.

 

In commercial applications, a structured quality management system is a must and paper trail is emphasized. So when the finger pointing starts, the buck stops where the corncerned person/party has been found to be goofing off, sleeping on the job, or plainly made a mistake.