Infringing on what?
Now folks can publish their ideas, but others have to avert their eyes.
I suppose he could actually afford the royalties...
Your insight is really that it's impossible to write software because everything is patented, not so much because we're not aware of the patents. Anything we're aware of is patented!
It's also strategic to read patents and violate them anyway. The biggest takeaway from Apple v. Samsung was that other phone companies should have violated Apple's patents, and sooner.