What if Bitcoin was reimagined today, under modern cryptographic assumptions, using a principled minimalist architecture designed for long-term auditability and zero-trust adversarial environments?
We stop thinking of impossible things. We don't need to reimagine and change the way bitcoin or crypto in general works. It may not be perfectly made, but we already find satisfaction in how Satoshi made this.
That "what if' thing is unnecessary, as we have nothing to change. And instead of doubting its capability and future potential, let it work the way it is meant to. Besides, we are not forced to invest in or accept Bitcoin if we don't trust the system. If I were you, OP, don't look at the negative side of bitcoin. Instead, focus on the positive side and its benefits.