I am not surprised that this default GNOME anti-feature (extract instead of mount or open in File Roller) was also inspired by macOS, which at least has a standard mountable container format. It becomes an annoyance as soon as you encounter your first archive that has no root directory (i.e. most Zip files created on a PC) and fills the parent folder with countless files.

> fills the parent folder with countless files

macOS unarchivers don't have that issue. Extractions always create a single item: either extract the single item in the archive or create a folder with the archives’s name before extracting.

two-files.zip creates two-files/a.txt and two-files/b.txt

one-file.zip creates a.txt