Don't want to transform a rally forum in a semantic forum but...
per·fec·tion·ism (pər-fĕk′shə-nĭz′əm)
n.
1. A propensity for being displeased with anything that is not perfect or does not meet extremely high standards.
So, one can have a propention but not be perfect. Kubica does apparently, other kind of people don't.