Privacy is actually the most overrated feature of Bitcoin.Bitcoin isn't private enough,that's why all the people,who have something to hide are using thirty party solutions,like Bitcoin mixers/tumblers.
Going to be improved very soon, "teleportation" of bitcoins via
CoinSwap protocol (first proposed by Greg Maxwell back in 2013) is in the hands of Chris Belcher who promises it's going to be very hard ( if not impossible?) for even specialized companies to extract from blockchain the privacy related data when CoinSwap implemented.(
https://www.coindesk.com/coinswap-and-the-ongoing-effort-to-make-bitcoin-privacy-invisible)