We build a lot of stuff used by almost every industry in this world including medical, E-commerce to name a few. We build a lot of useful stuff but we are also building all the software which is spoiling the nature and hence causing the man-made problems that we face today. How can we change and do things which makes the life of people better and nature more livable?
Without SE's, lockdowns would mean a nearly full stop of economy and functioning of society. The world would be a far worse place right now.