There are those who say stable coins shouldn't exist as it is impossible to peg a token and we have seen some volatility with HBD recently.
To keep the yield this high during this crypto winter is not helping keep that peg then add in that 50% of the top 40 witnesses are powering down... one can only hope they are buying HBD with these funds.
My witness is in agreement with other Veterans on Hive and are following Witty at 7.5% to not put pressure on Hive price yet I agree with most of your take, the 20% should be fine with all you mentioned (development of apps & games) then add the printing of fiat around the world most decentralized crypto should have been pushed into insanely new highs.
When onboarding to Hive I do get these questions about a pegged stable coin with that 20% yield as Hive has 2.8% and you can add another 8-9% easily upvoting content and now I have a link to send them to, thanks for sharing.