It could be something to do with generation. Are younger people more right-wing there? I know it's a common perception that younger people are more liberal but in Israel's case, for example, younger people I believe supported Netanyahu at a higher rate.
I actually had a conversation about this on the Spanish politics thread about a week ago.
Young Spanish men, in terms of left vs right; were essencially evenly divided. However, Vox won a very narrow plurality among men aged 18-30; this being in fact the only demographic where PSOE did not win the plurality of votes.
I guess this could at least partially explain it.
Unlike in the US, age and education are not really great predictors of one's vote in terms of left vs right (though they are good predictors in terms of "traditional parties" vs "new/insurgent parties"
Young people do lean left, but it is something like a 55-45 margin (which gets erased when you reduce this to young men); not the 67-33 the US seem to get.