There's a small laundry list of problems that will keep Bitcoin from ever reaching proper adoption on any real scale.

*Transparent blockchain means you will only ever be pseusoanonymous, never fully anonymous. Lack of protocols like Dandelion++ means that well funded state actors can unravel any pseusoanonymity that you would have, anyways. KYC on all major exchanges only make the problem worse, too.

*Small block sizes and the proliferation of layer 2 "fixes", by companies who lobbied for the problem to exist, means that fees and transaction delays will creep to unusable extremes, and the companies with L2 solutions like Blockstream make sure that business adoption needs to pay Blockstream their cut.

*Lastly, this doesn't fix the problem of the government decreeing that your Bitcoins are now illegal, which would mean that 90% of all registered businesses would not bother with the potential business-destroying consequences of using said currency.

There are certain cryptos that can solve #1 and/or #2, but #3 essentially ensures that anything other than the USD or some CBDC derivative thereof would ever see major adoption while a hostile regime is in place. Everyone is still going to have to get USD to pay taxes, like property tax, and trading BTC for USD is probably going to be difficult if the govt is serious about a crackdown.