Not via the push of a button at least. Did you try the ADB way in this case? See this post and the following one … Uninstall default apps - #29 by AnotherElk
That it is possible this way was also acknowledged here … Third party launchers - #7 by Manoj
That’s not normal.
Many users here use alternative launchers, even without uninstalling Bliss, and don’t have to do this (including me).