That’s a problem of the serverless environment, not of not being a good netizen. Seriously, my toaster from 20 years ago could serve 1req/s
Also for more context, this was the app in question (now moved to streamlit cloud): https://jreadability-demo.streamlit.app/
The whole 'cloud serverless buzzword-here' thing is ridiculous for most use cases.
Heck you can serve quite a few static req/s on a $2 ESP32 microcontroller.