Yup, this is one of the developers that took it serious [0]. You can see, he started preparing in August of 2015. If other developers did that, this info wouldn't be a problem.
IPFS is a one off though, it has multiple paid developers who can spend their full time rewriting their addons at the drop of a hat. Plus that IPFS addon didn't require deep access to Firefox's internals, which many popular addons do.