Apple used to take existing ideas and move them forward but this... ...this is a "me too".
I disagree. Research Kit is a significant development. They are creating a genuine use case that I would not expect Samsung or LG to have come up with (Google, yes, but they had not yet done so).
Also, we have already seen an improvement in the quality of materials the rest of the industry is using, just based on the September announcement. I'm sure we'll see more after yesterday's announcement and once the Watches are in the market.