This is nothing new & has something to do with the way the network works. I also get the same thing with loads of people wanting to downld the same few files from me despite I share 2-3 thousand.

And yes, this seems to happen mostly with video files!

The view incoming searches is viewing people who search something that may in some way relate to one of your files. Sometimes it works, sometimes not. The ultrapeers who you are connected to help filter out unnecessary traffic from you.