That the wolves, themselves, now have a deep-set fear of humanity and would only dare to do so if they're desperate and starving... is a distant second to that same deep-set cultural fear of wolves.
Unpopular Opinion Time: The ecosystem damage from not having apex predators is large enough that it might be worth a few human lives to avoid.
Unpopular Opinion Time the Second: But there are other apex predators, such as the lynx, which can take much the same role without being nearly as dangerous to megafauna like humans.
Though that's only a decent solution if you don't have problems with megafauna like elk.