by its very nature a symbiosis of everyone involved ... step down from your pedestal ...

True. To clarify, I meant in terms of inventions and technological development, not in terms of volume. Thank you to those who provide our food and make the good life possible. :)

specifically aimed at [only those who are] smug urban liberals

If this is true, then read my salutation, which says something similar. It says "To That Percentage -- not everyone. I made it clear. This ideological submission did not.

filled with virtue signaling

In my reply to someone else which was posted about 40 minutes before yours, i answered this line of thinking already, pointing out that " It's not an inherent nature of people."

largely devoid of moral certainties

You may choose to have your "moral certainties." As an individual or a family or whatever group you belong to, nobody is taking them away. Please don't force your beliefs for your moral certainties upon others. They may not be correct.