The 1990s were the golden era of fast food. Back then KFC and McDonalds were constantly trying to outdo each other with tit-for-tat promotions. McDonalds tried offering fried chicken. KFC had its unique Creole chicken and many interesting side orders (e.g. 'golden coins', onion rings). KFC also started the 'Colonel's country breakfast' to counter McDonald's breakfast menu.
Back then, BK's quality was better, and Long John Silver was not only very generous with its batter, its food was also not too salty, dry or burnt. Perhaps less outlets = better quality control, less complacency.
And no one can forget A&W with its waffles and root beer floats. My first taste of A&W food was at the zoo, back in the 1980s