Some things that are morally acceptable today (that shouldn’t be but are for various reasons) will be unacceptable in the future 

Some things that are morally unacceptable or weird to you today very well may be normal in the future

creating and destroying; built flying cars & autonomous vehicles, now building /faust, more here: /july, web: july.rocks

imo eating mass-produced meat will be such a thing once there is wider awareness of how sentient cows & co. really are.

Gone back to eating meat after 7-8 years pause, but only locally sourced chicken and lamb that are also slaughtered on site by a passionate animal husband who does this for himself & lucky purveyors.