I don't think I'd be able to do it - go to these factory farms and see all the suffering and only be able to rescue a few animals. I can't even watch Earthlings[0] - just one clip is enough and it paralyses me for days.
I just can't understand why we continue to support the large scale meat industry (not talking about hunting or raising and killing your own animals).
Not only are factory farmed products not healthy for us, but it's destroying the environment, creates unncessary suffering and even if you don't care about animals, it's also harmful to people working in that industry. Would you want to work in a slaughterhouse 8 hours a day - killing, gutting and hearing the screams of other sentient beings? What does that do to one's psyche?
We (engineers, designers, etc) are problem solvers - so our community should better understand that supporting the large scale meat industry just doesn't make sense anymore and instead we'd look to support alternative food sources[1] that are less desstructive on so many levels. Ethan Brown's approach is great - he's right, we won't be able to change culture where meat consumption is totally ingrained - it's better to offer an alternative that is as good or better as meat, but that doesn't require us to continue these destructive ways.
I think people in the future[2] will look back at this time and just shake their head at how we could continue supporting an industry that kills 80Billion animals / year just so we can have some short lived pleasure in our mouth (only real reason I can think of why we continue to eat meat - please correct me if I'm wrong) - the same way we shake our head at slavery, which was accepted by society in the past.
Holocaust survivor and founder of Farm - Dr Alex Hershaft[3] - compares how Nazis treated other ethnic groups to how we treat other species. To animals we are the Nazis.
Ultimately the question is, when it's not necessary for survival - how do you humanely kill a sentient being that doesn't want to be killed?
Just hope how we currently value other sentient beings won't be an example for our future AI overlords of how to behave towards us.
[0] Earthlings https://vimeo.com/209647801
[1]Beyond Meat http://www.ideacity.ca/video/ethan-brown-beyond-meat/
[2] Star Trek - 'We no longer enslave animals for food purposes' https://youtu.be/sS7NRtEJBcA?t=31s
[3] https://nonprofitchronicles.com/2017/12/05/alex-hershaft-hol...
Edit: typos