I think it's simply a human bias in action - people don't realize when their queries benefit from the "fuzzy matching", and they only notice/remember when they

I think it's simply a human bias in action - people don't realize when their queries benefit from the "fuzzy matching", and they only notice/remember when they don't get what they want from search and then (often mistakenly) blame fuzzy matching for it as that's what's visible to them.