Every teenager goes through it, some still try to find their place until the day they day, but we all grow up in vastly different contexts and environments compared to what we experience as adults, and stuff keeps happening around us that we don't like, maybe don't even want to participate in, but because of the lack of alternatives, you don't really have a choice.
...and many people choose to ignore that fact.
If money can buy votes then the problem rests with an apathetic and distracted electorate.
You change that by giving a fuck and telling everyone you know what you actually think.
It's not that "money can buy votes," but for a given party money can buy facilities (offices, transportation, food, etc.) and people (activists, coordinators, etc.) and that can bring (not buy) votes. Printing one "Rodriguez 2027" sign and putting that on your front lawn can be done for free at someone's office; printing ten million of them is a major financial, logistical and organisational undertaking, all of which costs money. Printers, truckers, warehouses, coordinators don't care how many "fucks" you're giving; they just prefer being given dollars to being given "fucks."
Maybe you have more ... workable (?) solutions than "let's get everybody to give a fuck and vote in a different way"?
Those signs aren't changing anyone's mind. But a party is something people can talk about and understand. It's unifying.
Giving a fuck means engaging with party politics and making it part of your day to day life (at least during election season).
Signs are the laziest and most inconsequential way of supporting a candidate. By far the best way is to convince everyone that you know in person to vote for a particular candidate.
Your views seem to be rather ... idealistic. This TED lecture[0] is only 18 minutes long and it offers rather a chilling perspective on any sensible reform.
"We do not inherit the earth from our ancestors; we borrow it from our children."
I think we've forgotten this. We are not paying it forward any more as a society.
Current young generations are the first that will, on average, work harder than their parents and have less to show for it. Affordability is absolutely vile and oligarchs have more decision making power then they've ever had in my lifetime, at least. No. Prospects are poor and governmental debt is absolutely unsustainable.
But I guess they've ve got cell phones and social anxiety, so not all bad.
Basically, what's the state QOL, and first/second derivatives of the that state? What direction is everything going? What's the world state young people are growing into? What advice would you give a young person to enable them to achieve the same success as you? - be realistic. You being the average poster on this forum, enriched by the tech boom of the 2000s-2020s - but not necessarily you specifically.