Like PADM says there isn’t a big anti movement more an indifference. The majority of Spanish who go to bullfights only go during their local fiesta, and don’t bother with it the rest of the year, as can be seen by the half empty Las Ventas the rest of the temporada.
The Catalan anti movement , I think was started as a more of a political thing , seeing the corridas as a Spanish thing and they like to think of themselves as different from Spain . But if you goto the French part of Catalunya , they are very proud of their bullfighting tradition , and place a big importance on the picadors , where as in some Spanish bullrings the picadors can be booed straight away.
The bull is killed in the ring in front of your eyes using acient methods . But the average bull killed in the ring will have lived to 4 to 5 years . A hell of a lot more than the beef cattle you are eating . 10 times better than the factory farmed food, which have no life and then death, probably not a pleasant one .
Steve San Isidro lasts more like a month rather than a fortnight .