The first sentence claims that it’s something people with ADHD might experience, not a specific condition. In other words, it’s just the therapy-speak way of saying “chronically late”.
Note that the date on the article is also very recent: Only a few months old. This date is after the trend was popular on TikTok. It was likely written in response to the trend, as a way of capturing search engine traffic from people searching for it.
This is representative of the issue I was describing: There’s a sense among some people that using the therapy-speak terminology for something transforms it into a different type of personality attribute, for which they can’t be held responsible. Saying “I have a problem with being on time” and “I have time blindness” are functionally equivalent, but some people want to believe they the therapy speak labeled version warrants different treatment.