Organic traffic, on the other hand, are those visits which are tracked by another entity — usually because they have arrived through search engines — but also from other sources. Hubspot’s definition emphasizes the term “non-paid visits,” because paid search ads are considered a category of their own. But this is where the lines between direct and organic start to get little blurry.
Local SERPs that remove almost all need for a website. Then local SERPs, which have been getting more and more aggressively tuned so that you never need to click the website, and, in fact, Google has made it harder and harder to find the website in both mobile and desktop versions of local searches. So if you search for Thai restaurant and you try and find the website of the Thai restaurant you're interested in, as opposed to just information about them in Google's local pack, that's frustratingly difficult. They are making those more and more aggressive and putting them more forward in the results.

For example, you may repurpose your blog content into a different form to satisfy the needs of your social media audience. You may decide to put more resources into email marketing as a traffic driver. You may tighten up your brand story because you want your messaging to be more congruent across all customer touchpoints. All these marketing tasks are tied to organic traffic. And they all have a substantial impact on your bottom line.
Optimization techniques are highly tuned to the dominant search engines in the target market. The search engines' market shares vary from market to market, as does competition. In 2003, Danny Sullivan stated that Google represented about 75% of all searches.[63] In markets outside the United States, Google's share is often larger, and Google remains the dominant search engine worldwide as of 2007.[64] As of 2006, Google had an 85–90% market share in Germany.[65] While there were hundreds of SEO firms in the US at that time, there were only about five in Germany.[65] As of June 2008, the marketshare of Google in the UK was close to 90% according to Hitwise.[66] That market share is achieved in a number of countries.
If you want to be even remotely competitive in your space, SEO is non-negotiable. Chances are, your competitors are pouring time and money into their organic traffic. They’re targeting high-value keywords. And they’re doing everything they can to dominate the search engine results. On a  fundamental level, it means you can’t ignore SEO. But the competitive advantage of organic traffic is not just about playing catch up with your competitors.You can one-up them and secure your spot as the preeminent brand in your space. Here’s why.
I think for agencies as far as how we appear in organic search ourselves, we are definitely going to need to leverage all 3 of the solutions you talk about and agencies who haven't branded their products/services are going to have to do that and are going to have to also employ branding strategies. In addition, we have to optimize for other search ares like you say in your point #2 and we must look at optimizing existing content for voice search and answers/featured snippets like you say in point #3.
Now, it is not that these sites are not interested in Google users. In fact, they have hired us to help them increase their share. However, they are getting so much traffic from sites like Facebook that it seems there is less urgency about attracting this traffic and less willingness to change the site to meet organic standards. Not long ago, sites would urgently and unquestioningly abide by Google’s standards to court that traffic.