Bicycle Mechanics - Shimano Master Link

Why doesn't Shimano use a master link on their chains? Will they produce a master link chain anytime in the near future? Wouldn't this be a good way of grabbing back a chunk of market share from SRAM, Wipperman, etc.?

Discuss.

Is the issue ease of removal? If so, I personally never found the old push-the-rivet-just-so-far-but-no-farther drill so onerous that a "weak link" solution was necessary.

In FACT, the risk of pushing the rivet too far adds a little danger and excitement to my otherwise existentially dreary reality in this Vale of Tears.

Too much time on my hands today, right?

Is the issue ease of removal? If so, I personally never found the old push-the-rivet-just-so-far-but-no-farther drill so onerous that a "weak link" solution was necessary.

In FACT, the risk of pushing the rivet too far adds a little danger and excitement to my otherwise existentially dreary reality in this Vale of Tears.

Too much time on my hands today, right?

I was actually just singing (or trying to) "Too Much Time on My Hands" by Styx in the shower this morning.

Anyhoo...

The issue for me isn't ease of removal. I prefer the master links so I can quickly (and cheaply) remove my chain for cleanings without having to purchase a new Shimano pin every time. And I've suffered a broken chain that was caused by reusing a rivet (pushing the same one back in to reconnect the chain), so I try not to do that anymore.

Is the issue ease of removal? If so, I personally never found the old push-the-rivet-just-so-far-but-no-farther drill so onerous that a "weak link" solution was necessary.
The old "push-the-rivet-just-so-far-but-no-farther drill" isn't onerous but it isn't applicable to new chains.

Older wider, thicker chains had pins that could be reused without damage. Current, much narrower chains have the pins riveted at both ends to make them adequately strong. When you push a pin even partly out, you enlarge the hole in the sideplate and create a weak spot. The specific replacement pins compensate for that damage but they should never be removed once in place.

they should never be removed once in place.
Yes. I wish this is one piece of advice that was stressed more often. Can you believe that a bike shop owner once told me you were always supposed to break the Shimano chains and replace the pins in the same place on the chain?