That's a good question indeed. Also I wonder why they picked java as the implementation language.
Mind you, a default JRE redistribution makes your app at least 100+MB. Using jdeps to strip out unneeded things is a good idea if you want it to get down to 25 ish MBs.
It’s JetBrains who were synonymous with Java so not a surprise, if was a recent project would have been Kotlin (which this company created)