This is for people who don't want to switch notebook environments, because Jupyter(lab) is getting better faster than alternatives (which support things like re

This is for people who don't want to switch notebook environments, because Jupyter(lab) is getting better faster than alternatives (which support things like reactive cell execution) are becoming usable for day-to-day work. It's just a safeguard for well-intentioned people to prevent themselves from making mistakes with their existing tools, instead of changing to a completely different set of tools.