It's always been on the straggler to catch up. That's just how the world works - even in open source. If AMD supported CUDA, it would have a bigger market share. That's a fact. Nvidia doesn't want that. That's a fact. But when Reddit started, it just scraped feeds from Digg, and when Facebook started, it let you link your MySpace credentials and scraped your MySpace account. Adversarial interoperability is nothing new.