I love the depth of worldbuilding and character development that's gone into the show. One of Steve's great talents that even he doesn't give himself enough credit for is his ability to give all his characters, even one-season wonders like a lot of the Season 2 cast or people like Jimmy McVeigh and Jack Davidson, their own distinct personalities and backstories. It had a tremendous influence on my own fiction writing, Even just one-off mentions of certain things give hints of more going on that we're not fully privy to. That's why one of my favourite segments introduced in the show's later years were the 'historical figures of Possum Lake' segments.
Another thing I love about the show is its affectionate parody both of masculine culture and of both big-city urban and small-town rural people alike. One thing I've taken from the show is more of an understanding of the rural point of view, something's otherwise become fashionable to present as a negative thing in many modern cultural productions. Red Green is a rare example of actually presenting that view as still having merit and a positive side to it.
Finally, and most plainly, the show is funny. Whether it's Red taking a pair of dryers and some pegboard and turning them into an air hockey table, Bill getting hit in the head with a rock every time he gets an idea about climbing a cliff wall, or Harold going from a geeky loser to a (relatively) successful grown man, the sheer variety of humour the show contains has something for almost everyone.
After 25 years of following the show, including attending all of Red's live action comedy tours, buying all his books and seeing every episode of his show, I still find new things to enjoy and new ways to appreciate him, the rest of Possum Lodge and the entirety of Possum Lake. Although I'm not exactly in the target audience for the show, Mr. Smith's work has been a hugely positive influence in my life. Any support I can extend him is merely returning a favour.
Remember, I'm pullin' for ya, we're all in this together!