Well, if we look at the old members that used blindstyle back then and as far as we can see still do now, we can summarize it like this, I'd say:
Jlim is adjusting the hour.
Puppylove wasn't adjusting the hour.
Fireoperator wasn't adjusting the hour.
Han was very sure we have to adjust, now seems equally sure we shouldn't. Adding that the hour is based on the Moon now, I'm not commenting more on that, as I don't think its worth commenting on.
I'm personally adjusting the hour as my chart doesn't make much sense to me without adjusted hour.
While we have other members in the big forums now, that are saying they are using blindstyle, I do not know if they are adjusting or if what they are using is the same. Seem following of what they wrote would probably make it clear, as that stuff is easy to see(since they would have to ask the person they are reading for if they adjusted the chart etc.).
Considering all that I get the impression the actual schools don't adjust the hour.
While the modern system that seem to originate from Duen view to what the schools were teaching may be adjusting, but we don't seem to have seen that from translations and other info out there about them, so they probably didn't, either.
There are other factors, though. Adjusting the hour can't really be done without software to align with Solar Time. While I'm doing it without software for my own country, its on year by year base, we may be able to find some relatively good method for some summary of how to do it in all places around the world but there will be huge amounts of information one will need to remember to do it without software.
While adjusting to events is something we all would do if it seems a good idea.
Yet if someone is looking for accuracy, yet doesn't have Solar time calculations and conversations, only thing they can do is adjust the hour based on events to compensate the values that will be messed by Solar Time. That has other bonuses as sometimes the hour may be wrong for other reasons(wrong time of recording for example), so it has good and not so good parts.
But all old styles of reading that doesn't use adjustment, couldn't really use it before as the calculations for it are difficult to make exact without knowledge its unlikely they could had back then.