AFAIK it's the only real answer without rely on 3rd party or switch to altcoin which give you interest. I've seen few thread about Bitcoin interest (example
1.
2), but all of them talk about 3rd party.
you said "Decade long lurker here" - so you must be full of money right? you get into game when BTC was for 100USD? or 50?
Baseless speculation, we don't know how much Bitcoin OP had decade ago or how much Bitcoin was sold by OP when the price was very low.
(based on how you have copied that github link you really need somebody for tech side and marketing side)
You should read more about JoinMarket,
https://en.bitcoin.it/wiki/JoinMarket.