[iLoveOncall]

> Cool, so we've established that I'm saying the tech stack matters.

Yes, and I'm telling you that all the problems you've raised are not dependent on your tech stack.

To make it clearer, it doesn't matter if you use CloudWatch Metrics or if you publish your metrics manually in an Excel file, as long as you have metrics being looked at.

"Having metrics" is not a part of your technical stack.

Similarly for speed, it doesn't matter if you use C or Python, as long as you write efficient algorithms and choose the right datastructure.

"Writing efficient algorithms and choosing the right datastructure" is not a part of your technical stack.