Perceivable latency isn't the only consideration. Depending on your business, compute for your proprietary workloads might be one of your biggest expenses. You

Perceivable latency isn't the only consideration. Depending on your business, compute for your proprietary workloads might be one of your biggest expenses. You could see an order of magnitude improvement to resource consumption depending on the type of workload and the language it is written in. Ultimately these these choices are all about trade-offs. Maybe python is fine for them, maybe they've built themselves into a corner. Time will tell.