I wouldn't want to ruin the fund but I think you are just adding a lot of steps in the whole process of Bitcoin payments. You might think that a "share" button for sending tips should simplify the process on sending Bitcoin to them but in fact it's not instant and it just complicated the process. If a website I am visiting is open for tips then their address (sometimes a QR Code for their address) is already made available in their website and its highly visible all you need to do is to copy or scan their QR code to obtain their address for you to send them Bitcoin to on your own wallet. You must offer something unique in order to see that this might be a better alternative compared to sending Bitcoins directly using a wallet.
It does simplify things as it all works within the browser app. No swapping between apps. It will also batch your tips up to try and save on fees. Finally it creates a new standard that any app could use. You don't have to hunt through the page looking for the address. Someone else could write a browser extension to do it for desktop.
