> Ultra dark gray and ugly aesthetics

> A GUI can follow 1995 principles without being an oppressive grey and ugly icons

> Compare the quality and thought given to Windows 98 dialogs and windows compared to this GNU software in 2021.

The NeXTSEP/GNUstep look is a little older than Windows 98, and I agree is a little less clean looking than Windows 98, but it's in no way ugly or oppressive. In fact it was a refreshing and highly acclaimed design at the time, and IMHO it still holds up pretty well three decades later.