Are clean links really important?

Question

Search Engine Optimization

Clean links affect the position in the SERP or is it one of the ways to make money for SEO companies.
Of course, this mechanism is user-friendly, but do search engines take into account the type of link? Whether looking for the presence of keywords in such a URL.

Answer 1

Yes, they do have an impact.
In addition, bringing to the CNC makes it possible to put in order the very architecture of the site, for example. exclude pages which should not be in principle.
For SEO companies, this is not so much income, rather, site / platform developers earn money on this.