I wish the open source world would wrap Blink into a usable browser product that doesn't have all the things we might not like about Chrome (or at least that allows a lot of settings for removing them and customizing it in ways that Google may not want to do with Chrome, because they don't think it is in their corporate interest).
It's a lot easier than building a whole browser from scratch. I salute what Mozilla is doing but I still don't want to use their browser because it just isn't as good, in my opinion. (Firefox also does't support the MIDIAccess API yet, which I need)
Obviously a lot of people agree that Chrome is better. I'm a lot more likely to use Microsoft's Blink browser than I was to use Microsoft's fully proprietary browser, but even better would be a fully open source, community steered "UnGoogled Chrome".
The general concern about projects along these lines, e.g. IceWeasel, is that they won't keep up with security patches as quickly as the project it's forking. Maybe that's less of a concern here since they aren't trying to recreate an older version but are just tearing out some "phone home" calls and changing some defaults.