The media's traditional role as the 'Fourth Estate' – a watchdog holding governments accountable and ensuring transparency – is undeniably under immense pressure and has, in some respects, been compromised. However, to claim it has entirely 'nixed' this role would be an overstatement, as its performance varies significantly across contexts and platforms.

Arguments for a Diminished/Nixed Role:

1. Commercialization and Profit Motive: Many media organizations are driven by profit, leading to a focus on sensationalism, entertainment, and clickbait over in-depth investigative journalism. This often means less investment in costly, time-consuming reporting that holds power accountable.
2. Political Polarization and Bias: Media outlets increasingly cater to specific political ideologies, leading to biased reporting, selective coverage, and the amplification of partisan narratives. This erodes public trust and makes it difficult for citizens to receive objective information necessary for informed decision-making.
3. Corporate Ownership and Influence: Large corporations owning media houses can influence editorial content to protect their business interests or those of their advertisers, potentially suppressing critical stories about corporate misconduct or government policies favorable to big business.
4. Government Pressure and Control: Governments, especially in less democratic regimes, exert pressure through various means – advertising revenue, regulatory threats, legal action, or even direct censorship – to silence critical voices. Even in democracies, subtle pressures can lead to self-censorship.
5. Rise of Social Media and Misinformation: While social media offers alternative platforms, it has also become a breeding ground for misinformation, disinformation, and 'fake news.' This blurs the lines between credible journalism and propaganda, making it harder for the public to discern truth and for legitimate media to maintain authority.
6. 'Churnalism': Resource constraints often lead journalists to rely heavily on official press releases, government statements, and pre-packaged content, rather than conducting independent investigations, thus becoming conduits for official narratives rather than critical interrogators.

Arguments Against a Completely Nixed Role (Still Playing a Role):

1. Persistent Investigative Journalism: Despite challenges, many dedicated journalists and media organizations continue to undertake rigorous investigative reporting, exposing corruption, malfeasance, and abuses of power across the globe.
2. Emergence of Independent Digital Media: The digital age has fostered the growth of independent, online-only news outlets and citizen journalism, which often fill the gaps left by traditional media, providing alternative perspectives and holding power to account.
3. Whistleblower Protection: Media often serves as a crucial conduit for whistleblowers to bring critical information about government wrongdoing to public attention, acting as a check on power.
4. Public Awareness and Debate: Even with biases, media still plays a vital role in disseminating information about government policies and actions, stimulating public debate, and mobilizing public opinion.
5. Global Reach: International media organizations often provide critical scrutiny of governments, especially in countries where local media is suppressed.

In conclusion, while the media's capacity to hold governments accountable and ensure transparency has been significantly challenged and, in some instances, compromised by commercial pressures, political polarization, and the digital information landscape, it has not entirely 'nixed' its role. Rather, its function has become more complex, fragmented, and contested. The struggle to uphold its democratic mandate continues, with varying degrees of success across different media ecosystems.