It's Hacker News. We're discussing a mainstream code editor. There are multiple discussions of code/libraries/engineering every day.
The generalization that implies that the OP is a person who codes for a living is far from "completely unwarranted".
There are plenty of students and hobbyists here. So again, take it easy on the assumptions.
If the description of the parent doesn't fit you then maybe you weren't his/hers intended audience?
No reason to tell everyone about it.
If someone comments: "It's not much to pay $70 for something you use professionally, and get value out of it everyday etc" -- it only adds noise to chime in "I don't use it professionally" or "I don't use it everyday".
It's a conditional sentence (even if implicit). If one is not on that category, then yes, obviously the argument doesn't apply to them.
So no, he doesn't speak for the people who use ST.