It sounds like their plan is to block all ads, then sell the new ad inventory created by all the blank space on pages. Why on earth would users want this browser?
There are project which lets you curate where you accept ads and where you really want to block trackers: see https://myrealonlinechoices.inrialpes.fr/ (I actually submitted it to HN a few days ago but it did not catch: https://news.ycombinator.com/item?id=10886400).