There have been many misconceptions about cryptocurrencies. Most came from the fact some people got introduced to Bitcoin through Ponzi/pyramid schemes, no wonder such people associate Bitcoin and other cryptocurrencies with Ponzi/pyramids.
Account highjackers seem not to be tried on stealing peoples’ account information. The rate at which online accounts are been hacked is ridiculous. No matter how strong and long or lengthen password may be, any account without a Two-Factor Authentication is pronto hacking.