So compared to plain bash without autocomplete and Ctrl+R it may be useful. It is probably a step back for everyone else.
I think it could be much worse than even a plain shell with ^R, as the llm will be slower than the normal history search and probably has less context than the $HISTFILE.
I assume that nothing will change for contributors, as vector tiles only replace the existing renderer.
For users this will allow better zooming and customization of the rendered map.
I used VLC in the past but switched to the simple music player after having too many bugs and crashes with VLC on my phone.
Commercial usage oft the osm data is free, see the OSM license. The article even speculates that they switched from Google maps due to licenses costs.
Of course this doesn't apply to commercial services that provide e.g. map tiles.