According to the article it's just a lightweight wallet for ADA that you can install as a Google Chrome Extension. IMO it's nothing new or revolutionary. We have such wallets for other currencies, Metamask for ETH, etc.
Now if they can integrate this wallet with third party applications for online payments, that could mean something. In any case, they will have to do a great job with respect to security because this wallet will have to run as a client side application (javascript). As such, it will probably be susceptible to malware, phishing, and other malicious attacks.
Charles is too smart to allow what you outlined happen: You are a bitch ass!