Earlier quoted context omitted.
The strangest part of that article is this: I understand how ingrained the “guys” habit might be for some of you. It was for me. After several months of concerted, conscious effort, I still slip and say it on oc- casion. So even the author herself used the word with completely gender neutral intent, but then she insists that others can't. It's like she's looking for reasons to be offended.
A lot of people are looking to be offended these days.
Either way, that's no excuse to stop thinking about things.