Recently, the group has been sharing charts about "a certain stablecoin losing its peg" again, and I've seen it three times now and I'm numb...

Don't be scared by the terminology first, I'll focus on one main thread: where the money is recorded, who queues up first, and when it counts.
Data availability, in simple terms, is whether transaction details can be checked by everyone;
ordering is whether your transaction can be front-run in the queue;
finality is how long it takes to truly settle without rollback.
DeFi yield farming is the same; I prefer interactions that are clearer and verifiable on-chain, even if the cost is higher, at least I sleep peacefully.
As for regulation, reserve audits, and such, don’t treat them as gossip; just consider whether they affect "whether you can actually redeem" — I don’t gamble on legends anyway.