A great write up with several good observations. and I liked the comparison with data platforms 20 years when one had to build (unless structured data with pre-specified schema etc ). Unfortunately, there is no good platform which would be compatible with all types of serving models needed by businesses , integrated with all training scenarios, deployment etc and even use of existing platforms (TFX, KF) requires writing a lot of code on the top of it. I shared some similar observations in my presentation https://www.slideshare.net/AndreiYigalLopatenko/ai-in-multi-billion-search-engines-career-building-in-ai-search-what-makes-a-good-search-engineerthathe