Worst hooks I ever used was drennan silverfish for getting blunt quick and bumping fish, now use guru F1 pellet hook for silvers.
Still have a blunt hook now and then though, last week was getting loads of skimmers in a silvers match, hooked and landed a decent carp and then had about 5 bumped skimmers one after the other, changed hook and another two hours catching without a blunt hook.
Even straight out of the bag some can be blunt, never had guru f1 make blunt out of the bag but have had drennan silverfish bad batches.