I found that people are extremely susceptible and will support whatever tyre they bought themselves. People hate to admit that they've bought something shitty.

And those common "forum opinions" are mostly just bullshit, too. How can all those people really give a qualified opinion on a tyre? You have to drive several sets of tyres on the same car in wet and dry conditions for a long period of time. Yet still there's people who'll say that the Durex Watersports 69 is the best tyre for their car, even though that's the only set they've ever tried!

I would only trust professional reviews and even those I'd treat with great care. Preferably compare tests of different mags and from different countries.