The other brokers should

Voting on a new fee implies collaboration among brokers, which could lead to anti-competitive behavior. Such a decision could violate regulations regarding price-fixing if brokers coordinate their fees, especially in a competitive market. Therefore, participating in this decision could be inappropriate in the context of maintaining fair competition.

While reducing fees might seem beneficial to consumers, it can also suggest coordinated behavior among brokers to undercut each other. This option could raise red flags regarding anti-competitive practices and is not a recommended action without independent decision-making. Such collective fee reductions could also lead to regulatory scrutiny.

Choosing not to show a competitor's listing can limit consumer choice and is generally discouraged in a competitive marketplace. This action might imply an effort to undermine a competitor's business, which could violate ethical standards and potentially lead to legal consequences. Transparency in listings is crucial for fair competition.