They are realities that need to be dealt with if we made the ethical decision to not consume animal products anymore.
Ftfy
It's kind of just whataboutism. I don't really have a horse in this race, but I find it somewhat unlikely that most reasonable people are suggesting every human immediately stop eating animal products forever. A transition to a world where people eat less of them doesn't need us to figure out how to feed the people of Longyearbyen right now.