Bruisers could have been played bot lane before this patch
Riot "nerfed" late-game crit ADCs and all of a sudden bot lane is "open to so much variety!" for champions like
that dominate in the early to mid game. If bruisers can be played into Lucian/Kai'Sa/Draven/Ezreal in the early game right now, do you really think they would have had any problems against crit ADCs without their crit items before this patch? Are Caitlyn or Xayah with B.F.Sword and Zeal that much weaker in lane than they were a month ago? Ziggs and Brand were perfectly viable before the crit changes.
This all just sounds like a placebo effect to me.
it just makes it more evident and accessible now that adcs are weak atm.