The Conservative movement wasn’t started to conserve money. It was started in Europe around the French Revolution as a way to conserve the power of the ruling class.
Around that time, the ruling class had a bit of an existential crisis; they had always believed that bloodline was what determined who was part of the In Group and who wasn’t. But during the French Revolution they started to think that perhaps bloodline wasn’t the way to judge who was Deserving of being in their little In-Group clique, or at least it might not be the only component of who should have access to it.
So they settled on money as their new main determining factor. It’s also why they (or those aspiring to the class) always want the best, shiniest new clothes and devices; it showcases their wealth and thus their eligibility for joining the In Group.