It is a very enjoyable read. Different from many books that handle complex issues, Chomsky's style is neither "jargon-y" nor "heavily academic". He avoids using big words that might be off-putting. The book is highly accessible and easy to understand.
Even though the speeches and lectures that make up this book were given in the late 1980s and early 1990s, they remain very relevant. Reading them in 2020 with the advantage of hindsight reveals how good they are. Many of the points Chomsky makes are still extremely relevant today and are arguably more urgent. These range from climate change, to huge socioeconomic inequalities, to capitalism and how corporations and special interests control the political process in the USA. The sections dealing with US foreign policy are very perceptive, especially considering that just a few years after these lectures, the USA would engage in some disastrous foreign policy blunders. For example, the invasion of Iraq plunged the whole region into chaos and led to millions of deaths, and the "infinity war" in Afghanistan started in late 2001, which will have dramatic consequences.
Chomsky's description of "conspiracy theories" is particularly useful, given how in our current era, conspiracy theories spread like wildfire. He clearly explains why the term can be silly and used to delegitimize actual criticisms against power. For instance, if someone is critical of "business leaders, lobbyists and government officials getting together over lunch or golf to discuss policies etc.", a counter-argument would be "you're just a crazy conspiracy theorist", and the concerns about business influence over policymaking are ridiculed.
Although the book's contents may be outdated in some respects, it is still an essential read. I would definitely recommend it to anyone who wants to have a better understanding of how politics work, how power operates, what the crucial issues affecting the world are, and how to oppose power. Even for people who are well-versed in politics, this is a good book and a kind of "refresher".