Several girls are being forced into marriages due to the patriarchal mindset of their families. Until now, many girls of such families rebelled against such forced marriages and married the person of their choice after attaining 18 years with the help of legal support. But now, they have to wait till attaining 21 years. This will be misused by patriarchal families to threaten and control them.
Some tech companies are now as powerful as governments. So, Digital authoritarianism is also discussed. A few governments are misusing tech companies for mass surveillance programs.
Eliminating cash completely may worsen the situation of some people such as poor people, digital illiterates etc. Moreover, it can be a threat to the right to privacy. So, a completely cashless society is not a good idea, at least for now.