All of the replies to you are complicated, so here's a simple summary: The poster implied that a person who doesn't see the difference between Trump and Biden probably wouldn't be hurt by any of Trump's policies or goals.
For example, a transgender person may lose access to hormones and a gay person may be unable to marry or adopt a child. Poor people may lose food stamps (money given for food) and old people may lose social security (money given at old age).