Of course it’s about getting used to things. I just picked your meat and straw examples but I know there are bigger and more substantial issues. Don’t underestimate the damage done by meat production though: it’s huge.
Transport is a biggie. Air travel will probably never be sustainable. Time to say good bye. Simply don’t fly unless it’s a question of life and death. Electric cars? No. Those don’t address the right problems. A niche product for niche uses. Pressure for better infrastructure, better zoning, but also buy a bicycle and at least try to not drive everywhere.
And don’t get me started on fashion.
There are about 327 more issues. Don’t worry: I am well aware of that.