I’d agree with “…has no “use case” for you”. Monero, same as Bitcoin is not for everybody, it depends on one’s needs and strategy.
The beauty’s in the eye of the beHODLER.
But it is undeniable that for sometimes it has a “use case” in fact could be the ONLY “use case”: the ones you imagine plus I want to remark another: In nostr:npub1qny3tkh0acurzla8x3zy4nhrjz5zd8l9sy9jys09umwng00manysew95gx's nostr:npub10atn74wcwh8gahzj3m0cy22fl54tn7wxtkg55spz2e3mpf5hhcrs4602w3 #127 with Anya Chekhovich, in fact they are using monero among others.
About the XMRBTC chart it definitely looks so. But comparing XMRBTC with BTCUSD It is obvious that XMR performs excellent on the BTC bear markets. Does it ring any bell?