because Intel refuses to license and standardize Thunderbolt.
Openness is definitely a big issue, and technical advantages may not be able to overcome proprietariness and cost. It's similar to what happened with Firewire (1394) and USB. The former has many technical advantages, but the official standards are not free. The latter is simpler and slower, with freely available standards, and as a result it has become ubiquitous.
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Openness is definitely a big issue, and technical advantages may not be able to overcome proprietariness and cost. It's similar to what happened with Firewire (1394) and USB. The former has many technical advantages, but the official standards are not free. The latter is simpler and slower, with freely available standards, and as a result it has become ubiquitous.