The public will reject fptp if they understand it

If the electorate are aware that first past the post is a form of slavery they will reject it. The only reason any country suffers under fptp is that the electorate are ignorant of the fact that not to have pr is bad. If people understand the liberating nature of pr (and the suffocating nature of fptp) then we will have pr. The only obstacle to pr is the ignorance (and education) of the people. If the people are educated about pr we will have pr.