Error messages should definitely be written with a target audience in mind. For Wix, a blogging platform, the target audience is usually decidedly non-technical

Error messages should definitely be written with a target audience in mind. For Wix, a blogging platform, the target audience is usually decidedly non-technical. For many of the tools I use, more technical detail would be welcome. Then again, my parents are unlikely to use the same tools, while they might use Wix.