What might a letter writing campaign get a company to change its business practices?

A letter writing campaign can effectively pressure a company to change its business practices by demonstrating widespread consumer concern and mobilizing public opinion. When a significant number of customers express their dissatisfaction or highlight ethical issues, companies may fear potential damage to their reputation and sales. This collective voice can prompt management to reassess policies, adopt more sustainable practices, or improve transparency. Ultimately, such campaigns can lead to meaningful dialogue between consumers and companies, fostering accountability and positive change.