Unlike Dropbox, where filenames are searchable by name on Everything, here that doesn't seem to happen -- at least the indexing takes more than 15 minutes with UI frozen.
An interesting tidbit: Google Filestream allows mounting on a folder. Google Drive for Desktop doesn't support it yet. Another interesting tidbit: the configuration settings in Google Drive for Desktop was migrated to a JSON setting stored on a registry setting (just in case you try following the settings of Google Drive Filestream).