It wasn't really rising in 2016. The flat wage growth lasted past 2020, with a relatively recent blip, but it has not meaningfully risen to outpace the stagnation that existed for decades.
If wages increased with productivity increases we'd be in better shape overall as a society, but here we are.
It stagnated in 2008-2016 but they still voted for obama, but when it finally started rising in 2016 they voted for trump?