In the UK the public overwhelmingly support the age controls, so even political parties who would otherwise oppose it just stay silent, because the public narrative
You have to shift the narrative. Farage does this - he's finally after 20 years managed to get elected to parliament, he's head of a company with 4 MPs, same say as the Greens, about the same as the nationalists, yet for 20 years he has steered the conversation and got what he wants time after time
It is of course unfortunate that a big part of the population is heavily influenceable by almost anything that has some scary perspective, in whatever size, over-considering dangers to opportunities to the extremes (want to eliminate dangers, hopelessly), also can only hear what is too loud, so the real democratic conversations and resulting decisions are distorted a lot. Better focus on improving this, than put a self centered ass on the pedestal to follow!