This might also be why I heard colleagues saying “Nono, listen, these ‘N+1 problems’ and our nested service calls aren’t an issue because it works well enough”

This might also be why I heard colleagues saying “Nono, listen, these ‘N+1 problems’ and our nested service calls aren’t an issue because it works well enough” until it eventually didn’t. I’d rather not have bad code in any language. Modern Java runtimes are pretty good, though.