Why all the negativity in the comments here? Yes, sometimes it is extremely valuable to make a nice thin wrapper on existing tech. As a community, we can't always complain about the user interface of FOSS tools, and then when someone makes a UI, again complain that they haven't done anything or the size is large. Pick a side!
It's Electron. That is why.
Maybe ask yourself why people chose to use Electron. The cross platform alternatives (Tauri[1] pops to mind) generally offer a more complex development experience. As long as web languages remain the lowest entrypoint they will remain the dominent force, even if they're less performant.