Local SEO is different because it is more focused on small businesses that have locations in specific cities and want search traffic from people in those cities.
WordPress creates a robots.txt by default and serves it to website visitors. Companies like Google use bots (software) to scan the internet for sites automatically and to read the contents of those sites.
Business owners rarely think of their blog as a great source of business. Sometimes they’ll look at the blog only as a way to gain some expert status by showing off their knowledge, which minimizes the impact a well-maintained blog can have on their business.