If your laptop and phone both got stolen – how easily could you conduct online life through the worst browser you have? If you have to file an insurance claim online – will you get sent a simple HTML form to fill in, or a DOCX which won’t render?
What vital information or services are forbidden to you due to being trapped in PDFs or horrendously complicated web sites?
Go sit in an uncomfortable chair, in an uncomfortable location, and stare at an uncomfortably small screen with an uncomfortably outdated web browser. How easy is it to use the websites you’ve created?
The unreasonable effectiveness of simple HTML - Terence Eden
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.