Tb, why do you say the labels are 'dangle berries'? I feel a tale of sideways action coming on I got to say that I was very surprised they had such a good rating for being so cheap. So you may be right in that they just make it up
Its tested almost with the release compound still in place, and under conditions that appear to be completely irrelevant to actual usage.
I can tell you from a £700 mistake on the (wet grip) A rated SC5 that they are absolute, utter, borderline dangerous shite. Far worse than the C rated Heinz 57 budgets that came off (and we know that budgets invariably have poor wet performance).
The A rated GY F1 A2 also mediocre for wet and dry grip.
The well known, lethal, deadly Autogrip FS10x range actually start out well as a reasonable budget tyre, but once about a third worn (so about 5-6mm left) always turn into something that will kill you if it detects rain within 1000 miles.
Its not really possible to label tyres, as chrisgixer found when he tried doing a survey on here, as a tyre's characteristics often do change over its life, and people's expectations vary from "MOT passing, black and round" to "something that actually works"