Limitations of Grassroots Mobilization by Interest Groups

In the context of American politics, interest groups utilize various strategies to gain influence and assert their interests within the policymaking process. One such tactic involves the use of grassroots mobilization, whereby groups encourage their members to engage directly with policymakers and participate in public demonstrations. However, the effectiveness of these grassroots efforts can vary significantly depending on the political context and the resources at the group's disposal.

Which of the following statements best illustrates a potential limitation of grassroots mobilization strategies employed by interest groups?