I think what he meant there was that they expect when any of these existing behemoths hopefully pull the trigger, it will be extremely well publicized and such news would sell others. And in the meantime, others are taking a wait and see approach AND Sigma isn't inclined to spend limited resources to encourage/ service others when it's the existing lengthy trials, (and their anticipated favorable outcome), that would be the most efficient way of moving things meaningfully.
Hopefully they get some raised thumbs soon.
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