To add what
@Syaoran Li said:
Remember when the Religious Right took over every aspect of life in the 70s and 80s? The 90s were a counterculture to that control. Not even "left-leaning" per se, just people were tired of being told what and how to act.
Bush mainly inspired me that the GOP were war-mongering criminals and the DNC were sane. Not to mention that many right-leaning people are older White people where "conservatism" meant "keep other races at a distance."
Having said that, the Left now is damn near unrecognizable from the 2000s. Corporate bootlicking, social justice, de facto segregation of race and sex, political censorship, outright cancel culture dictating who is "good" or "evil."
I considered myself left-leaning as a counterculture AND equal opportunities for all. My principles still remain more or less the same, but they don't universally fit in one box anymore.
So what AM I?