Am i missing something here? I use Chrome with AdBlock Plus installed and can block ads from Google or anyone else. Since this article confirms that ABP will still work after this change I fail to see why it is such a massive deal. If you don't like ANY ads you can untick to 'allow acceptable ads' in ABP to block them all in Chrome. If you really must use Ublock Origin as your ad blocker switch to another browser where ublock origin continues to work, there are a lot more browser choices than just Chrome on both mobile and the desktop.
For all those mentioning about law suits, AFAIK Google have never allowed add ons on the Android version of Chrome yet no one has launched lawsuits to force them to allow add ons to be installed on the mobile version, so I doubt it would be coming just because a few changes to the way extensions would work, as they are not removing the ability to add extensions just changing how they work, just like Firefox did recently.
I am no fan of ads, but I do realise from running my own websites that content, servers and bandwidth aren't free. Sure there are a some people who will create stuff for free because of their passion for a subject or just because they wan't to get their works out in front of as many people as they can, but a large percentage of people want to be paid for their work. And at the moment ads are about the only way these websites can publish stuff for 'free' and still be able to generate revenue. There aren't really any alternatives - especially for smaller websites - as going behind a paywall is only viable for large websites like Newspapers and video streaming websites that have tons of content. Your average small/medium business or personal website would not have enough content to make it worthwhile.
Unfortunately people see that they have paid their ISP for their internet access and therefore shouldn't have to pay for content on the internet and I feel it would require a massive cultural shift to change peoples mind to alter that.