Kate is useful because many editing jobs sit in the middle ground. Config files, scripts, quick code changes, logs, and structured text often need more than a minimal editor but not the full overhead of a large IDE.
It suits developers, admins, and technical users who open many files and care about search, tabs, split views, encoding, and good editing behavior. That makes it a strong resident tool for the jobs that appear between bigger workflows.
What makes Kate worth keeping is restraint. It offers solid editing depth without trying to become every tool in the room. That balance is often exactly what a utility editor should deliver.
The tradeoff is that users expecting a full IDE or a visually flashy modern editor may find it understated. The strength is practical reliability, not novelty or aggressive feature marketing.
This site recommends Kate as a long-term utility editor for people who regularly touch text and code outside their main project environment. Open a few real files, try search and split view, and judge whether it fits the daily quick-edit role.