Swift’s ambitiousness and career savvy plus feminine grace may be what attracts him to her in the first place. His own mother is an investment banker. Settling down and striking their own balance later is between them and their own preferences/realities. They have every option open to them because both husband and wife have already reached well beyond most average people’s financial potential. They can only get richer. And take as much time to themselves as they want also.
Wish all couples well. Being independently wealthy and each having significant accomplishments in their careers to date diminishes the stress experienced by most young couples. Yet many similarly paired celebrity couples do not succeed. Butker was making a Darwinian point that people ignore at their peril. Women who do not bear children ( as nature intended) or accept the patriarchy ( which almost all mammalian species have evolved to accept and survive) are often quite miserable as they age.