You're right, we should keep our development skills in shape and hold on to sanity when writing code. Especially n+1 queries and other types of calls to another

You're right, we should keep our development skills in shape and hold on to sanity when writing code. Especially n+1 queries and other types of calls to another system would cause problems invisible for profiler (some kind of profilers?). That's why when converting data from one list to another I used to always initialize the latter with the known size (now I use Java streams mostly) On the other hand there is me doing JMH microbenchmarking in code that was eventually parsing configuration files (only once at startup) which was the moment I learnt the said quote from Donald Knuth from the colleagues reviewing my code