That’s the only reason games like Breath of the Wild can get perfect scores, and why aggressively mediocre games like Kirby Star Allies have a 73% on Metacritic. Nintendo simply gets a pass despite being stuck in the past, rarely crafting exciting new IP.
The best possible example of said bias is the company’s mascot, Mario. To be clear, almost all of the Super Mario games are great, they’re just nowhere near as good as you’re led to believe. In fact, there are many better platformers out there, and many on the Switch alone that are better than any of Mario’s.