Part 2 of the paragraph:

...that are associated with your products or services, or that are made available through your or users' use of Meta Company Products and services, and to periodically pull updates from such domains, web pages, or URLs in order to provide, develop, improve, research, and maintain advertising and business products...

"your or users' use" is especially concerning, as it is extremely loosely phrased and would cover a wide range of people.