Can a user/group delete published processes, if this user or group has the rights "Hub, Read, Write, Delete", ?
Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.
You need the access right 'publish' to delete a published element:
KBA , BPI-SIG-CA-SEC-UM-AM , Access Management for SAP Signavio , How To