>>4372830That's great you haven't personally ran into issues with it, doesn't mean it's not a problem, and doesn't mean frequent formatting is not best practice. Most people never experience card failures either, but that doesn't mean they don't happen.
It's pretty common knowledge actually, how many web articles / blog posts / forum posts talking about it do you need to see? I see dozens and dozens with a simple search.
You can also find similar sentiments from memory card manufacturers too, take ProGrade
>The way you use your memory card significantly affects its performance. Deleting images from the card mid-shoot to make room for new photos fragments the data and can accelerate wear and tear. Instead, make it a habit not to delete anything on your camera. Always transfer files to your computer before deleting them. This simple practice will help minimize data fragmentation and ensure your memory cards will perform at their peak for longer. 