2. Why do some companies tolerate latency and abysmally slow rendering despite having the financial resources to fix it?
3. Are Chief Performance Officers a thing?
https://www.amazon.com/gp/product/B089423GC6/
Going by your description, I have no idea but quick search lead me to these two fine articles.
https://hbr.org/2018/03/the-economics-of-why-companies-dont-...