Fair point, in Poland I wouldn't expect someone to call themself "PISowiec" ("PISowcy" is plural) - those terms are often used as derogatory. On the other hand,

Fair point, in Poland I wouldn't expect someone to call themself "PISowiec" ("PISowcy" is plural) - those terms are often used as derogatory. On the other hand, it's quite common to label either yourself or them as "prawicowiec/lewicowiec" (right-winger/left-winger).