Would you prefer to believe the on line reviews that you refer to or the informed views of your fellow forum members?
Premium branded tyres are not classed as performance tyres.
There are loads of benefits of premium tyres,
To name a few:
Improved wet and dry performance.
Braking distance reduced.
Road noise reduced.
Less chance of delamination.
Improved mileage longevity.
Just gather all the facts and make your informed decision and choose the tyres which suit you best.
However, I think that you had your mind made up before you posted this topic, which makes this thread rather pointless.