Prefixing commands solves the namespace problem and discoverability (at least partly). I use a slightly more sophisticated method, which helps me remember which custom utilities are available and how to use them: sd [1], a light wrapper written for zsh that, in addition to namespaces, provides autocompletion, custom help texts + some other QoL enhancements. Can definitely recommend if you're looking for something a bit more fancy.
(1) 55% of countries [15 atm]
(2) representing 65% of EU population.
If one of the above is not met, a blocking minority (usually) needs >=4 countries to vote against a proposal. Germany voting against CSAR would mean (2) is not met in this case.
[1] https://github.com/ianthehenry/sd