Looking at the Zcash charts, one can see the magnitude of a properly implemented privacy coin: Zcash is clearly edging up higher and higer as people are either remembering or realizing that privacy coins are very important as a hedge. Nobody wants their portfolio to be caught in a trap caused by government regulations and privacy coins help prevent this. Zcash is and always was critically important with probably the best privacy protocol called zk-SNARKS.
Though they are using two different privacy protocols, there is a somewhat related privacy coin which is completely under the radar called Noir. Calling this out for those looking for a hidden gem. The team is very actively developing and new exchanges are coming online. Take a look noirofficial.org/