I replaced Siri with the Sleep button since the keyboard shortcut to lock/sleep your MBP doesn't work anymore. :) (If anyone is interested: Finder > View (press Option key) > Customize Control Strip)

I did the same and now it has revolutionized the way I accidentally put my laptop to sleep every 30 minutes.

Wow! I've had this laptop also for about 6 months and never knew you could do that!

To me, this is a GUI anti-pattern. Why do we have to go to Finder to customise the Touchbar? I looked for this option in System Preferences for days before I stumbled across this .. and then to have to hold down the magic Option key.

Honestly, these sorts of anti-patterns are what makes me think Apple has seriously lost the plot.

In system preferences, keyboard settings there is a button to configure the strip. I didn't know about the finder thing

If you ask Siri to disable, it gives you a weird "I'm sorry I can't do that" reply. Unlike a real person, there's no verbal abuse that will make her go away.

Makes some sense when you consider that you'd have turned Siri off by a route that doesn't allow you to turn it back on, which could make it difficult for some users to get it back.

Oh my gosh. I've had this laptop for 4 months and never discovered that the Touch Bar could be customized beyond setting when the F-keys show up by default.