The mix of tools has shifted.

Just as we reject racism, sexism, ageism, and heterosexism, we reject speciesism. The species of a sentient being is no more reason to deny the protection of this basic right than race, sex, age, or sexual orientation is a reason to deny membership in the human moral community to other humans.

When I was seventeen, I worked as a counsellor at a co-ed sleep-away camp for eight weeks. I loved it but it could be harrowing - it was far too much responsibility for someone my age.