Don’t make up your mind about Progressive Enhancement by reading reductive blog posts or presentations that gloss over or outright ignore the details and nuances of actual web work. Read up on the individual tactics used. Judge them in terms of how effective they might be at solving the problems you are tackling. Every tactic strikes a different balance. Unless you plan on only solving one kind of problem, again and again, throughout your career, you owe it to yourself to study the tactics that lie outside your comfort zone.