It depends on the country, but there’s a self-preservation aspect to academics leaning left. In the USA especially but not exclusively a major right-wing policy point has been defunding academia and publicly-funded research in general. Unless you’re in a field that can reliably pull private funding, such as some branches of the oft-mentioned economics, voting and sharing right-wing talking points carries a major risk of getting your funding cut and leaving you without a job.
It depends on the country, but there’s a self-preservation aspect to academics leaning left. In the USA especially but not exclusively a major right-wing policy point has been defunding academia and publicly-funded research in general. Unless you’re in a field that can reliably pull private funding, such as some branches of the oft-mentioned economics, voting and sharing right-wing talking points carries a major risk of getting your funding cut and leaving you without a job.