Good questions.
CA forums and other sites with their libraries and their opportunities for people to express opinions help. The more any person learns here, or at reddit traditional Catholic, or fisheaters, or watching You Tube, or EWTN, getting clues from these sites to check out other things, books, catechisms, treasures from old (Didache, Aquinas) to newer (Thomas Merton, Peter Kwazniewski) and in between, the more they’ll start talking to others at their own parishes, to their families, their friends, and then those friends will start checking things out as well.
There is a lot from the past that unfortunately for whatever reason has been ignored. There is also a lot from the present that is getting ignored as well, because people today tend to label and to put people into boxes. If you like chant, then you can’t like guitars, runs that theory. Or if you like seeing more women having a voice, you can’t possibly like St. Louis de Montfort or wearing a headcovering. You get the idea.
But then you come here and you start to hear from people and realize we aren’t just labels.
And you come here and you see threads about prayers, and you start, quietly at first, just offering a prayer without actually responding. . .and then later responding. . .and still later, starting a prayer. . .and suddenly, you are working for all those things. You are working in a small way to stand up for good catechesis; you are praying for vocations, you’re becoming aware of and starting to advocate for all the rich traditions. It can take awhile, it can be real strong maybe for you one year, and then quiet for a couple, and then strong again. . .but Jesus prayed "That they all be One’ and hey, if HE is for us, who shall, ultimately, be against us?