If you had the assurance that in a few years, our society would totally change and make decisions that preserve the common good in the long term (and thus effective in limiting climate change, armed conflicts, economic injustice, etc.) ?
If you had the assurance that this society would be just and would therefore reward people contributing to the common good in the long term, whether for actions you take now or later ?
If you knew that this society is solid because it is based on:
And if you now knew that this society already exists, but is in its early stages, do you really have the heart to stay on the sidelines ?