2) Noone involed in BTC wants to change that. The miners have control over it, but who in their love of mind would vote to increase the supply and basically devalue your savings?
3) There is no anonomity effect on BTC and never was. It is all tracable.
4) User growth? Not even 1% of the population have BTC.
5) There are custodty solutions. Or just store your BTC on a cold wallet, remember the recovery phrases and throw away your Ledger or whatever. It doesn't get more secure than that. If there is no hardware wallet, noone can access your BTC.
The Macro View IS Crypto, or part of it. With 5G and 6G, electrified cars, IoT etc., crypto is basically embedded in the digital world. Bitcoin is not crypto and is basically for Boomers, the space already moved 10x beyond Bitcoin.