How is snyder v. an example of competing rights

In Snyder vs Phelps the supreme court of the United States was asked to decide if the sign's and words of protesters picketing Mathew Snyder's funeral were related to matters of public concern and, therefore, should be entitled to greater first admendment  protection.

from the conditions of the working class in england by friedrich engels,the main idea is :

manchester's leaders hoped to oppress its working class to benefit factory owners.