Good question. There are two parts:
Launching new LSTs. We currently vet our projects very closely to make sure that 1) they’re legit projects, and 2) there’s differentiated utility for the LST they want to launch. However, we this process will become more and more permissionless over time. We won’t control what LSTs will be out there, but we are building LST dashboards (one already exists at SolanaCompass), to let people know if this happens. Here again thanks to Sanctum, it’ll be very quick and easy to swap from one LST to another.
LSTs in Infinity. Infinity is a basket of LSTs, and its performance will depend a lot on the LSTs in the pool. Unlike the first section, we will take an active role in rebalancing Infinity to cut poor LSTs. We can either sell the LSTs in the market (see our docs for details), or do a manual rebalance. We monitor pool performance and composition very closely.