I think that as long as the person remains mostly anonymous (personally I've no interest in digging further, for this exact reason), things like this need to be talked about.
Sure, lying about some of the details while getting the gist across might be a good idea (e.g. naming a different OS when you actually have Ubuntu), but there definitely needs to be discourse about the circumstances that people are dealing with in reality, instead of everyone pretending that they are on the forefront of the industry with their security and other practices.
The more you think about it, the murkier everything gets - talking about how things were in a company 5 years ago that's now defunct might be the best possible circumstance, but in a currently active org that might also be a way of getting yourself sacked, depending on how juicy of a target it is and how much attention it attracts.
That said, the company has made the choice to use EOL software, their clients have made the choice to use EOL software and it's bad practices all around - honestly, should any of the software be exposed publicly, I'm pretty sure that this person's comments won't be the first to call attention to the setup, since nation X's hackers/crackers might have already ran automated attacks against it anyways.
In summary, bad practices probably deserve to get called out, just so we know what the situation in the industry is like in reality, but hopefully not at too great of a personal expense.