There was never a problem with comgnet before MHW and it's still actual data. Test was a very considerate poster and for him to be threatened for posting actual data is laughable. He's only one person but you want me to believe it was taking up half the thread. Maybe the complaining about it was. And that's the problem with the "regulars" talk by regulars you mean people that fall into my beliefs about how the market should be.
There was already with Splatoon 2 before (also lead to
some nonsense like this, I guess even the Nintendo bias in this thread was not enough to allow this kind of user to stay there) to the point, it was already mentioned back then as well, so comgnet MHW numbers didn't get any special treatment and it wasn't about booing Sony, but selective memory can makes you think that, it was deemed to be better to have a FAQ of sort every time Comgnet numbers were posted (
Mpl90 took care of this) because they've closed shops as years passed, because the ratio to sales varied greatly depending on titles, because sometimes the ratio didn't make any sense (due to statistical noise, which Comgnet can be), it's data that can be used but with caution, a big asterisk associated to it every time, and context to be able to extrapolate something out of it.
In the end the consensus that was more or less reached (or let's say what the vast majority wished for as consensus is a near impossible endeavour) was for these kind of data to still be posted here to some degree but not on a frequent basis, it didn't allow for meaningful conversation as a daily occurence and just flooded the noteworthy posts in a sea of flood.
Similar things happened with YSO (whose prediction accuracy fell off at some point), Youtube views/likes for videos, steam peak players, twitch streams, Amazon rankings, vTubers... all of these are "data" indeed, but it's data that are hard to exploit without context especially for the likes of us who are not privy to some key context informations.
Thus everything is more or less allowed in this place as long as it doesn't take too much space, which is exactly what Comgnet daily numbers did.
Following
Brandolini's law that I mentioned just before I probably put way too much time in this post than I should have, unlike what you mentioned it was
Jawbreaker that used to do these daily charts, he also did it
until the release day, the game whose daily tracking was actually stopped by our complaints (
like mine, with the reasons being stated clearly) was Bayonetta Switch port, probably Nintendo bias at play there too, doing some ctrl+f "comgnet" on a 66 pages thread gave me results almost every single page so not only did the topics dragged on for too long but they dragged on with
data that shouldn't ever be the center of attention let alone be mentioned as regularly as they were.