Earlier quoted context omitted.
I find those to be distinctly different qualities even if the end result is similar. The distinguishing factor is: Who is performing the discrimination? In one example the discrimination is deliberately performed by an ad supplier. In the other example the discrimination is performed by the audience of the offline publication. I come to this conclusion because it is the audience that is choosing which demographically…
In the example, the building owner/manager isn't randomly choosing a publication to put their ad in. They are acting to discriminate against people that don't (or are merely highly unlikely to) read the magazine.
Discrimination, in this regard, only occurs if somebody is made to consume or is denied content on the basis of a protected class status.