Beefy is not a well-known platform to stake. UST belongs to Terra we all know what happened to it. There are stablecoins to each platform that you can stake but staking stablecoin right now might not be a good idea since we can see prices are bullish.
We passed to the point of the lowest prices of crypto and converting them USDT to staking coins could be profitable. I bet the majority who have ETH after the merge will consider staking thier ETH even in the exchange pools.
How come? Beefy is one of the largest platforms, personally had no issues. I've also used Supra, but decided to stick to Beefy. While I understand your point regarding stablecoin staking, currently I'd rather not use that money to invest in other coins. I might change my mind later, because I'm ultimately starting to consider buying BTC or ETH but for now, I'll stick to staking. There's always the possibility of losing your investment, even in Bitcoin. I was also staking when BTC reached its ATH. If I had purchased during the dip at $50.000 or even $40.000, I'd be at a huge loss now (over 40-50%). The opposite can happen too, but it depends on whether you want to take the risk or not.
Taking both risk of holding centralized stablecoin and the platform you stake only to earn 10%-15% per year is doesn't worth IMO. I'd say it's better for invest in banks and lock for around 3-5 years since it mostly give you around 5%-10% interest rate and there's a guarantee that your money will be back 100% because of insurance. Holding Bitcoin for long term are better option even though the risk is during dump market.
Since when do banks offer 5-10% interest rate? The most you can get here on timed deposits is 0.03% to 0.10%. I'd rather invest my money on some random coin than deposit it in a bank.
I've been staking stablecoins on Binance and even though the rewards aren't much, they're passive income for me. There is no problem with the reward. I'm sure it will get bigger later because I do auto staking, where when I get the reward from staking, it will stake together in the next staking (correct me if I'm wrong). On Binance, there are several stablecoins you can use to generate more stablecoins and so far, I haven't had any issues.
The only options I've seen for stablecoin saving/staking on Binance are BUSD and USDT (both offering 8%) and USDC which offered 1.2% the last time I checked, please, correct me if I'm wrong.