"WHY is Greenpeace not protesting factory farms or slaughter houses?"

" also wonder why Greenpeace does not protest Greyhound racing in the U.S."

Where's the fun in that? Isn't it much more exciting to be flying around the world, landing in a helicopter on a ship, watching news-video footage of yourself in a salt-sea spray, squinting into the gale ... ?

...................................

"Where is the sport ... "

That's what's known as a straw man - nobody suggested that the sealers go out on the ice for sport. It's serious business.