I feel so sad that microformats havent gone mainstream yet. They're such a good idea, and so easy to use, yet 99.9% of websites don't bother. Instead I have to

I feel so sad that microformats havent gone mainstream yet. They're such a good idea, and so easy to use, yet 99.9% of websites don't bother. Instead I have to, e.g., manually select a street name and enter it into a OSM search field. I wonder, why haven't thet gotten more popular?