I should’ve taken spelling-based transcription errors into account; my bad! (This happens a lot, even among professional linguists.)
Variety-wise odds are that you speak the Caipira dialect, given the region of origin. Or potentially a mixed dialect. Either way it’s [i u] all the way in MG, and almost all the way in SP.
It’s more like “people don’t know about the issue, or how it affects them, as they’re busier with their everyday lives”. This happens a fair bit.
Additionally, the graph shows that the movement had huge fervour at the start but then lost steam. So:
EDIT: can someone convince PewDiePie to at least talk about the campaign?