Some people wish the gold backed dollar returned, but that is actually bad. Its good that your fiat isn't backed on anything, so that you can easily appreciate its volatility. Unless the coin itself is made of gold, its garbage; nothing more than a peg perhaps backed by your trust to an entity, usually the State...
Returning to the gold standard is much better than what we currently have: papers worth close to nothing. The thing about gold that makes it irreplaceable with currencies such as BTC is the physical features of it. You can't mine BTC and use it to create better electricity conductors, for instance. This is what will make Gold maintain its value over time and also why it's not very easy to be replaced. Otherwise, it'd be worthless.
Those papers said before they could be exchanged for gold. Conveniently gold possession was forbidden for most part of the 20th century in the US after the crash of 29...
So those same worthless papers saying that they "could" be exchanged for gold, but actually making it imposible to do so, would do you no good. Will you trust the State to ever fulfill that promise? Do you really think they actually backed every single dollar with the amount of gold they said they did? Who was allowed to audit that? they wouldn't allow the natural urge of everyone to get rid of the useless papers for the gold; what makes you think they didn't also play fractional reserve? Most central banks do...
The current USD is more honest, its important that people know the USD can collapse tomorrow, they had enough time to move away from it. Its like bitcoin, so long at 9k, now it hit 11k. Why people didn't buy then, but think of buying AFTER it went up instead?
So try to understand the uselessness of a paper claiming to be gold, but its not the actual gold. Its a form of pegging backed by your trust into an institution. With Bitcoin you don't have to trust anybody, its price is honest, always.
When the USD collapses and brings down the world economy, then most people would remember they could have saved in Bitcoin instead. Same could be said for the other fiats, most are way too dependent on the USD. Pegging of any kind are bad, they depend on someone fulfilling a promise. You don't want to depend on a promise, same as politicians can make you poor overnight, they can also break their promise.
The Venezuelan bolivar was pegged to the USD in 2012 to about 4:1. 8 Years later its 25000000000:1. Never trust them your wealth.