The main question is, what percentage of the society are these conservatives? What's the opinion of the rest of people? Unlike you, in my opinion, most people have good memories of the Shah's time (Zamane Shah). It's quite funny, but most of the hospitals that are now named after Khomeini Hospital were built by the Shah. Also most stadiums and universities.
Moreover, this is a superficial view of the story if we think that what annoys people in Iran is mostly economic. This can be seen even in the slogan of the biggest anti-government demonstration that started last year, "Women, Life, Freedom", the three things that has been oppressed in the last four decades. Yes, economic issues have put a lot of pressure on the people, but people's wishes should not be reduced to it.
Moreover, this is a superficial view of the story if we think that what annoys people in Iran is mostly economic. This can be seen even in the slogan of the biggest anti-government demonstration that started last year, "Women, Life, Freedom", the three things that has been oppressed in the last four decades. Yes, economic issues have put a lot of pressure on the people, but people's wishes should not be reduced to it.