YC's biggest benefits - the network and the credibility with investors - is somewhere between hard and not possible to replicate everywhere under a franchise model. Lots of incubators all over the world based themselves on what YC pioneered mostly with lackluster results.

If there was a YC here in Costa Rica the startups would be heading to SV to raise money. Multiply that by dozens of other countries that can't provide the complete ecosystem and the name becomes worthless and the network no more beneficial than HN.