I don't think it is a necessity. People just don't generally have patience.

Generally people driving classic/collectible cars usually run at or below speed limits and...they are fine. You just have to embrace being overtaken by everyone.

It is especially hard for people suffering with fragile masculinity though.

Agree completely. People think they are being safer by going fast "with the flow" while in reality statistics refute this perspective entirely. Slower is safer periodt.