If there is less contact because of the tyre width wouldn't it been worse?    The slippery is because there is no contact between tyres and road surface due to the aquaplanning. But it is also true that wider tyre has higher probabilty of aquaplanning than the thinner one.

I kena same case wif my wira last time, i bought and then whole bunch of neos, gen2 all come out, my old wira value also drop further few K...