Plaid Cymru launch General Election campaign

The transcript discusses Plaid Cymru's role in Westminster, criticizing Labour's long-term governance in Wales and their rehashed pledges. It highlights Plaid's new ideas, such as the Crown Estate and Wales sovereign wealth fund, and addresses Brexit's impact with a solution to rejoin the single market. The speaker shares insights from a tour of Wales, noting public sentiment against both the Tories and Labour. Plaid Cymru's stance against UK parties' policies is emphasized, along with their commitment to representing Welsh interests and ensuring Wales's voice is not silenced in Westminster.

In what ways does Plaid Cymru differentiate itself from other parties in representing Welsh interests?

What does the speaker mean by saying 'Wales's voice is being diluted'?