I love the thoughtful approach: asking why, and then asking how to "do it better".

I would propose going a step further: asking "is this even the best practice for solving this need?"

For example, the standup is explained here as a way to do just the right amount of planning on a frequent basis.

But is a standup the best way to approach the need for "just the right amount of planning, as it is needed"?

I would say that usually it is not. In the Agile 2 book we identify many problems with the concept of standup, so I won't repeat them here. But I will share that I personally loathe standsups, no matter how "well" they are done, and a lot of others feel the same way. We find it disruptive for our morning, and not useful.

I also would say that if I heard about an issue or impediment in a standup, I would wonder "why did you wait until now to mention this?" It would tell me that there is a cultural problem, and I would then try to address that.

Again, I love the author's reflecting approach to this. I would merely propose releasing the shackles of Scrum. Free yourself!