Like it or not, Twitter is still the de-facto place for breaking news stories. You just have to sift through the dross.
As much as Mastodon is a far nicer and healthier social platform, it has a long way to go before it gets anywhere close in this particular regard.
30 is way too many. Ideally, you want about 4-5 parties in order to maintain a healthy democracy without getting bogged down.
Either way, the two party corporate duopoly of the US ain’t it.