The side of reality? Even if you support an outcome, you are under zero obligation to support everything that leads to that outcome either directly or incidentally.
It may be a fact that the Earth is somewhat spherical, but someone that comes to this conclusion using astronomical data is not equivalent to someone to determines that the Earth is a sphere because oranges are also spheres.
Even if you support the pro-choice position it’s easy to see that many claims and assumptions made are simply false. This is true for essentially every commonly held belief, the vast majority of people couldn’t even develop the scientific method independently.