On abortion--I am firmly pro-choice. And anyone who believes that a pre-viable/non-viable fetus is a 'person' and therefore worthy of life, regardless of the wishes or the harm done to the fully autonomous and living mother, should also be advocating for mandatory blood and organ donations across the board. After all, how dare someone have an extra kidney, or blood, or bone marrow, when it could be used to keep someone else alive? Further, they should believe in mandatory donation both while alive and after death, irregardless of that person's consent or religious beliefs. If they don't, then I am very comfortable in calling that person a hypocrite.
In regards to the original thread--similarly, my bar for 'friends' is fairly high. I will not trust someone as a true friend if they do not believe I deserve bodily autonomy, whether women and POC deserve to be treated equally, or that LGBTQA folks should not be discriminated against, or other policies that actively do real, living people significant harm. I may keep them as an acquaintance, friendly or otherwise, as long as they're not jerks about it. Other differences of opinion, political or otherwise, I grant more leeway in--for example, I am perfectly willing to argue with my closest friend about the necessity of bicycle lanes and the right to bike in the road without being harassed by drivers, while he has a much more typical driver-centric view. Or the size of national parks. Or whether a soda tax is a good idea or not. Etcetera, etcetera.