The future is likely to be a hybrid. We will likely see the abolition of the most cruel practices (gestation crates, tail docking) while the consumption of "clean meat" rises. But as long as a single slaughterhouse remains, the rights activist will feel that the work is not done. And as long as a single animal suffers on a factory farm, the welfarist will feel the same.
Despite the progress, the 21st century presents massive challenges for animal advocates: rabbit bestiality 2021