Yes it's a Win10 problem, no i don't think there's a solution. However if you use Retroarch i think it uses the VID/PID of the controller so there isn't an issue. You can also set this in Mame https://docs.mamedev.org/advanced/devicemap.html , i don't know about other emulators.
Same, I think i've worked out whats happening, in this case my sg1000 has a mix of images such as these, when LB chooses the smaller image it doesnt blur, my creativision are all the smaller images and none of them blur.
I don't know if this is a bug but a similar thing happened to me, i created a playlist inside a platform category and named it 'All', it just replicated the main All list and delete and edit were greyed out. I used the Tools>Restore Data Back-up to revert to before i'd made the change to get rid of it.
I worked out how to do it! You just copy the xaml file and rename it to whatever your playlist is named, or i guess you could also just rename the original xaml if you only wanted those views for playlists.